11653585572 has 24 divisors (see below), whose sum is σ = 27193521600. Its totient is φ = 3884268256.

The previous prime is 11653585501. The next prime is 11653585577. The reversal of 11653585572 is 27558535611.

It is not an unprimeable number, because it can be changed into a prime (11653585577) 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, 257329 + ... + 299207.

It is an arithmetic number, because the mean of its divisors is an integer number (1133063400).

Almost surely, 2^11653585572 is an apocalyptic number.

11653585572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11653585572 is an abundant number, since it is smaller than the sum of its proper divisors (15539936028).

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

11653585572 is a wasteful number, since it uses less digits than its factorization.

11653585572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65075 (or 65073 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 48.

The spelling of 11653585572 in words is "eleven billion, six hundred fifty-three million, five hundred eighty-five thousand, five hundred seventy-two".