11257556923 has 8 divisors (see below), whose sum is σ = 11321858592. Its totient is φ = 11193327936.

The previous prime is 11257556911. The next prime is 11257556929. The reversal of 11257556923 is 32965575211.

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 11257556923 - 2²¹ = 11255459771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11257556929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309186 + ... + 343672.

It is an arithmetic number, because the mean of its divisors is an integer number (1415232324).

Almost surely, 2^11257556923 is an apocalyptic number.

11257556923 is a deficient number, since it is larger than the sum of its proper divisors (64301669).

11257556923 is a wasteful number, since it uses less digits than its factorization.

11257556923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36341.

The product of its digits is 567000, while the sum is 46.

The spelling of 11257556923 in words is "eleven billion, two hundred fifty-seven million, five hundred fifty-six thousand, nine hundred twenty-three".