11157954 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 3570000.

The previous prime is 11157943. The next prime is 11157961. The reversal of 11157954 is 45975111.

11157954 = 73² + 74² + ... + 323².

It is a super-2 number, since 2×11157954² = 248999874932232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44329 + ... + 44579.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^11157954 is an apocalyptic number.

11157954 is an abundant number, since it is smaller than the sum of its proper divisors (12066366).

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

11157954 is a wasteful number, since it uses less digits than its factorization.

11157954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its digits is 6300, while the sum is 33.

The square root of 11157954 is about 3340.3523766214. The cubic root of 11157954 is about 223.4574587840.

The spelling of 11157954 in words is "eleven million, one hundred fifty-seven thousand, nine hundred fifty-four".