52112214961 has 3 divisors (see below), whose sum is σ = 52112443243. Its totient is φ = 52111986680.

The previous prime is 52112214911. The next prime is 52112214997. The reversal of 52112214961 is 16941221125.

The square root of 52112214961 is 228281.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 13884144561 + 38228070400 = 117831^2 + 195520^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52112214961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52112214901) 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, 114141 + ... + 342421.

Almost surely, 2^52112214961 is an apocalyptic number.

52112214961 is the 228281-st square number.

52112214961 is the 114141-st centered octagonal number.

It is an amenable number.

52112214961 is a deficient number, since it is larger than the sum of its proper divisors (228282).

52112214961 is an frugal number, since it uses more digits than its factorization.

52112214961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456562 (or 228281 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The spelling of 52112214961 in words is "fifty-two billion, one hundred twelve million, two hundred fourteen thousand, nine hundred sixty-one".