11231516610 has 48 divisors (see below), whose sum is σ = 29305930680. Its totient is φ = 2984405760.

The previous prime is 11231516587. The next prime is 11231516629. The reversal of 11231516610 is 1661513211.

11231516610 is a `hidden beast` number, since 1 + 1 + 2 + 31 + 5 + 16 + 610 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10772571681 + 458944929 = 103791^2 + 21423^2 .

It is a super-2 number, since 2×11231516610² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 196765 + ... + 247344.

Almost surely, 2^11231516610 is an apocalyptic number.

11231516610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231516610 is an abundant number, since it is smaller than the sum of its proper divisors (18074414070).

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

11231516610 is a wasteful number, since it uses less digits than its factorization.

11231516610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444403 (or 444400 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 11231516610 in words is "eleven billion, two hundred thirty-one million, five hundred sixteen thousand, six hundred ten".