5211911952 has 400 divisors, whose sum is σ = 17785861632. Its totient is φ = 1458155520.

The previous prime is 5211911917. The next prime is 5211911959. The reversal of 5211911952 is 2591191125.

5211911952 is a `hidden beast` number, since 521 + 19 + 119 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5211911959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8878603 + ... + 8879189.

Almost surely, 2^5211911952 is an apocalyptic number.

5211911952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5211911952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8892930816).

5211911952 is an abundant number, since it is smaller than the sum of its proper divisors (12573949680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5211911952 is a wasteful number, since it uses less digits than its factorization.

5211911952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 653 counting only the distinct ones).

The product of its digits is 8100, while the sum is 36.

The square root of 5211911952 is about 72193.5727887185. The cubic root of 5211911952 is about 1733.8000990807.

The spelling of 5211911952 in words is "five billion, two hundred eleven million, nine hundred eleven thousand, nine hundred fifty-two".