15180211264 has 21 divisors (see below), whose sum is σ = 30125187781. Its totient is φ = 7589612800.

The previous prime is 15180211261. The next prime is 15180211271. The reversal of 15180211264 is 46211208151.

The square root of 15180211264 is 123208.

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., 15081804864 + 98406400 = 122808^2 + 9920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15180211261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 977964 + ... + 993364.

Almost surely, 2^15180211264 is an apocalyptic number.

15180211264 is the 123208-th square number.

It is an amenable number.

15180211264 is a deficient number, since it is larger than the sum of its proper divisors (14944976517).

15180211264 is an frugal number, since it uses more digits than its factorization.

15180211264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814 (or 15403 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 15180211264 in words is "fifteen billion, one hundred eighty million, two hundred eleven thousand, two hundred sixty-four".