11801529057 has 16 divisors (see below), whose sum is σ = 16529731200. Its totient is φ = 7475098752.

The previous prime is 11801529043. The next prime is 11801529079. The reversal of 11801529057 is 75092510811.

It is not a de Polignac number, because 11801529057 - 2⁴ = 11801529041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11801529007) 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 15 ways as a sum of consecutive naturals, for example, 563668 + ... + 584229.

It is an arithmetic number, because the mean of its divisors is an integer number (1033108200).

Almost surely, 2^11801529057 is an apocalyptic number.

It is an amenable number.

11801529057 is a deficient number, since it is larger than the sum of its proper divisors (4728202143).

11801529057 is a wasteful number, since it uses less digits than its factorization.

11801529057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148072.

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 11801529057 in words is "eleven billion, eight hundred one million, five hundred twenty-nine thousand, fifty-seven".