1115900957 has 8 divisors (see below), whose sum is σ = 1130241600. Its totient is φ = 1101600544.

The previous prime is 1115900941. The next prime is 1115900969. The reversal of 1115900957 is 7590095111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115900957 - 2⁴ = 1115900941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115900957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115900917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47894 + ... + 67272.

It is an arithmetic number, because the mean of its divisors is an integer number (141280200).

Almost surely, 2^1115900957 is an apocalyptic number.

It is an amenable number.

1115900957 is a deficient number, since it is larger than the sum of its proper divisors (14340643).

1115900957 is an equidigital number, since it uses as much as digits as its factorization.

1115900957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115.

The product of its (nonzero) digits is 14175, while the sum is 38.

The square root of 1115900957 is about 33405.1037567615. The cubic root of 1115900957 is about 1037.2303516010.

The spelling of 1115900957 in words is "one billion, one hundred fifteen million, nine hundred thousand, nine hundred fifty-seven".