1171115372 has 24 divisors (see below), whose sum is σ = 2360117760. Its totient is φ = 498073680.

The previous prime is 1171115359. The next prime is 1171115383. The reversal of 1171115372 is 2735111711.

It is a super-2 number, since 2×1171115372² = 2743022429069396768, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 155972 + ... + 163307.

It is an arithmetic number, because the mean of its divisors is an integer number (98338240).

Almost surely, 2^1171115372 is an apocalyptic number.

It is an amenable number.

1171115372 is an abundant number, since it is smaller than the sum of its proper divisors (1189002388).

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

1171115372 is a wasteful number, since it uses less digits than its factorization.

1171115372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319421 (or 319419 counting only the distinct ones).

The product of its digits is 1470, while the sum is 29.

The square root of 1171115372 is about 34221.5629683976. The cubic root of 1171115372 is about 1054.0629796966.

The spelling of 1171115372 in words is "one billion, one hundred seventy-one million, one hundred fifteen thousand, three hundred seventy-two".