15091631104 has 99 divisors (see below), whose sum is σ = 33255731901. Its totient is φ = 6840176640.

The previous prime is 15091631039. The next prime is 15091631143. The reversal of 15091631104 is 40113619051.

The square root of 15091631104 is 122848.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11077141504 + 4014489600 = 105248^2 + 63360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43242322 + ... + 43242670.

Almost surely, 2^15091631104 is an apocalyptic number.

15091631104 is the 122848-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15091631104

15091631104 is an abundant number, since it is smaller than the sum of its proper divisors (18164100797).

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

15091631104 is an frugal number, since it uses more digits than its factorization.

15091631104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 15091631104 in words is "fifteen billion, ninety-one million, six hundred thirty-one thousand, one hundred four".