61330626375 has 32 divisors (see below), whose sum is σ = 102460909824. Its totient is φ = 32579300000.

The previous prime is 61330626367. The next prime is 61330626457. The reversal of 61330626375 is 57362603316.

It is not a de Polignac number, because 61330626375 - 2³ = 61330626367 is a prime.

It is a super-2 number, since 2×61330626375² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231669 + ... + 419918.

It is an arithmetic number, because the mean of its divisors is an integer number (3201903432).

Almost surely, 2^61330626375 is an apocalyptic number.

61330626375 is a deficient number, since it is larger than the sum of its proper divisors (41130283449).

61330626375 is a wasteful number, since it uses less digits than its factorization.

61330626375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651856 (or 651846 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 42.

The spelling of 61330626375 in words is "sixty-one billion, three hundred thirty million, six hundred twenty-six thousand, three hundred seventy-five".