11111588874 has 12 divisors (see below), whose sum is σ = 24075109266. Its totient is φ = 3703862952.

The previous prime is 11111588869. The next prime is 11111588879. The reversal of 11111588874 is 47888511111.

It is an interprime number because it is at equal distance from previous prime (11111588869) and next prime (11111588879).

It can be written as a sum of positive squares in only one way, i.e., 9515027025 + 1596561849 = 97545^2 + 39957^2 .

It is not an unprimeable number, because it can be changed into a prime (11111588879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308655229 + ... + 308655264.

Almost surely, 2^11111588874 is an apocalyptic number.

11111588874 is an abundant number, since it is smaller than the sum of its proper divisors (12963520392).

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

11111588874 is a wasteful number, since it uses less digits than its factorization.

11111588874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617310501 (or 617310498 counting only the distinct ones).

The product of its digits is 71680, while the sum is 45.

The spelling of 11111588874 in words is "eleven billion, one hundred eleven million, five hundred eighty-eight thousand, eight hundred seventy-four".