15235643061064 has 16 divisors (see below), whose sum is σ = 28572988780800. Its totient is φ = 7616179386192.

The previous prime is 15235643061061. The next prime is 15235643061071. The reversal of 15235643061064 is 46016034653251.

It is a super-2 number, since 2×15235643061064² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15235643061061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205228612 + ... + 205302835.

It is an arithmetic number, because the mean of its divisors is an integer number (1785811798800).

Almost surely, 2^{15235643061064} is an apocalyptic number.

It is an amenable number.

15235643061064 is a deficient number, since it is larger than the sum of its proper divisors (13337345719736).

15235643061064 is a wasteful number, since it uses less digits than its factorization.

15235643061064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410536092 (or 410536088 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 15235643061064 in words is "fifteen trillion, two hundred thirty-five billion, six hundred forty-three million, sixty-one thousand, sixty-four".