11252911957 has 8 divisors (see below), whose sum is σ = 13004971200. Its totient is φ = 9536977824.

The previous prime is 11252911933. The next prime is 11252911981. The reversal of 11252911957 is 75911925211.

It is an interprime number because it is at equal distance from previous prime (11252911933) and next prime (11252911981).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11252911957 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 (11252911997) 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, 9030607 + ... + 9031852.

It is an arithmetic number, because the mean of its divisors is an integer number (1625621400).

Almost surely, 2^11252911957 is an apocalyptic number.

It is an amenable number.

11252911957 is a deficient number, since it is larger than the sum of its proper divisors (1752059243).

11252911957 is an equidigital number, since it uses as much as digits as its factorization.

11252911957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18062555.

The product of its digits is 56700, while the sum is 43.

The spelling of 11252911957 in words is "eleven billion, two hundred fifty-two million, nine hundred eleven thousand, nine hundred fifty-seven".