61307553608300 has 72 divisors (see below), whose sum is σ = 137775963648960. Its totient is φ = 23651408435200.

The previous prime is 61307553608299. The next prime is 61307553608383. The reversal of 61307553608300 is 380635570316.

It is a happy number.

It is a super-2 number, since 2×61307553608300² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8961029 + ... + 14244828.

It is an arithmetic number, because the mean of its divisors is an integer number (1913555050680).

Almost surely, 2^{61307553608300} is an apocalyptic number.

It is an amenable number.

61307553608300 is an abundant number, since it is smaller than the sum of its proper divisors (76468410040660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61307553608300 is a wasteful number, since it uses less digits than its factorization.

61307553608300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23206811 (or 23206804 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 61307553608300 in words is "sixty-one trillion, three hundred seven billion, five hundred fifty-three million, six hundred eight thousand, three hundred".