15232501066 has 16 divisors (see below), whose sum is σ = 23470030440. Its totient is φ = 7409223360.

The previous prime is 15232501013. The next prime is 15232501129. The reversal of 15232501066 is 66010523251.

It can be written as a sum of positive squares in 4 ways, for example, as 8359262041 + 6873239025 = 91429^2 + 82905^2 .

It is a super-2 number, since 2×15232501066² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611536 + ... + 635956.

Almost surely, 2^15232501066 is an apocalyptic number.

15232501066 is a deficient number, since it is larger than the sum of its proper divisors (8237529374).

15232501066 is a wasteful number, since it uses less digits than its factorization.

15232501066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 15232501066 in words is "fifteen billion, two hundred thirty-two million, five hundred one thousand, sixty-six".