115571441764 has 81 divisors (see below), whose sum is σ = 213822601587. Its totient is φ = 54657087408.

The previous prime is 115571441761. The next prime is 115571441771. The reversal of 115571441764 is 467144175511.

It is a happy number.

The square root of 115571441764 is 339958.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115571441761) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1724946859 + ... + 1724946925.

Almost surely, 2^115571441764 is an apocalyptic number.

115571441764 is the 339958-th square number.

It is an amenable number.

115571441764 is a deficient number, since it is larger than the sum of its proper divisors (98251159823).

115571441764 is an frugal number, since it uses more digits than its factorization.

115571441764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 171 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The spelling of 115571441764 in words is "one hundred fifteen billion, five hundred seventy-one million, four hundred forty-one thousand, seven hundred sixty-four".