11405157904 has 40 divisors (see below), whose sum is σ = 25263244160. Its totient is φ = 4886189568.

The previous prime is 11405157893. The next prime is 11405157923. The reversal of 11405157904 is 40975150411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328312 + ... + 361384.

It is an arithmetic number, because the mean of its divisors is an integer number (631581104).

Almost surely, 2^11405157904 is an apocalyptic number.

11405157904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11405157904 is an abundant number, since it is smaller than the sum of its proper divisors (13858086256).

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

11405157904 is a wasteful number, since it uses less digits than its factorization.

11405157904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36167 (or 36161 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 11405157904 in words is "eleven billion, four hundred five million, one hundred fifty-seven thousand, nine hundred four".