11057117554 has 16 divisors (see below), whose sum is σ = 19417378176. Its totient is φ = 4623184800.

The previous prime is 11057117531. The next prime is 11057117557. The reversal of 11057117554 is 45571175011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11057117557) 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, 9631062 + ... + 9632209.

It is an arithmetic number, because the mean of its divisors is an integer number (1213586136).

Almost surely, 2^11057117554 is an apocalyptic number.

11057117554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11057117554 is a deficient number, since it is larger than the sum of its proper divisors (8360260622).

11057117554 is a wasteful number, since it uses less digits than its factorization.

11057117554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263321.

The product of its (nonzero) digits is 24500, while the sum is 37.

The spelling of 11057117554 in words is "eleven billion, fifty-seven million, one hundred seventeen thousand, five hundred fifty-four".