52121524145215 has 32 divisors (see below), whose sum is σ = 74652950854656. Its totient is φ = 34157144313600.

The previous prime is 52121524145213. The next prime is 52121524145219. The reversal of 52121524145215 is 51254142512125.

It is not a de Polignac number, because 52121524145215 - 2¹ = 52121524145213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121524145213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26900086 + ... + 28772515.

It is an arithmetic number, because the mean of its divisors is an integer number (2332904714208).

Almost surely, 2^{52121524145215} is an apocalyptic number.

52121524145215 is a deficient number, since it is larger than the sum of its proper divisors (22531426709441).

52121524145215 is a wasteful number, since it uses less digits than its factorization.

52121524145215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55673799.

The product of its digits is 160000, while the sum is 40.

The spelling of 52121524145215 in words is "fifty-two trillion, one hundred twenty-one billion, five hundred twenty-four million, one hundred forty-five thousand, two hundred fifteen".