11387522867 has 16 divisors (see below), whose sum is σ = 13132224000. Its totient is φ = 9672696000.

The previous prime is 11387522827. The next prime is 11387522897. The reversal of 11387522867 is 76822578311.

It is a cyclic number.

It is not a de Polignac number, because 11387522867 - 2¹² = 11387518771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11387522807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333359 + ... + 365927.

It is an arithmetic number, because the mean of its divisors is an integer number (820764000).

Almost surely, 2^11387522867 is an apocalyptic number.

11387522867 is a deficient number, since it is larger than the sum of its proper divisors (1744701133).

11387522867 is a wasteful number, since it uses less digits than its factorization.

11387522867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026.

The product of its digits is 1128960, while the sum is 50.

The spelling of 11387522867 in words is "eleven billion, three hundred eighty-seven million, five hundred twenty-two thousand, eight hundred sixty-seven".