252372447237555 has 40 divisors (see below), whose sum is σ = 472070587313952. Its totient is φ = 128746523803392.

The previous prime is 252372447237527. The next prime is 252372447237571. The reversal of 252372447237555 is 555732744273252.

It is a happy number.

252372447237555 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 7 + 2 + 4 + 4 + 72 + 3 + 7 + 555 = 666.

It is not a de Polignac number, because 252372447237555 - 2¹⁰ = 252372447236531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252372447237492 and 252372447237501.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13546552534 + ... + 13546571163.

Almost surely, 2^{252372447237555} is an apocalyptic number.

252372447237555 is a deficient number, since it is larger than the sum of its proper divisors (219698140076397).

252372447237555 is a wasteful number, since it uses less digits than its factorization.

252372447237555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27093123737 (or 27093123728 counting only the distinct ones).

The product of its digits is 493920000, while the sum is 63.

The spelling of 252372447237555 in words is "two hundred fifty-two trillion, three hundred seventy-two billion, four hundred forty-seven million, two hundred thirty-seven thousand, five hundred fifty-five".