15233814081 has 24 divisors (see below), whose sum is σ = 22648036320. Its totient is φ = 9861163200.

The previous prime is 15233814073. The next prime is 15233814097. The reversal of 15233814081 is 18041833251.

15233814081 is a `hidden beast` number, since 15 + 233 + 8 + 1 + 408 + 1 = 666.

It is not a de Polignac number, because 15233814081 - 2³ = 15233814073 is a prime.

It is a super-2 number, since 2×15233814081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15233814061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19971 + ... + 175688.

It is an arithmetic number, because the mean of its divisors is an integer number (943668180).

Almost surely, 2^15233814081 is an apocalyptic number.

It is an amenable number.

15233814081 is a deficient number, since it is larger than the sum of its proper divisors (7414222239).

15233814081 is a wasteful number, since it uses less digits than its factorization.

15233814081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195917 (or 195914 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 15233814081 in words is "fifteen billion, two hundred thirty-three million, eight hundred fourteen thousand, eighty-one".