61331562795200 has 84 divisors (see below), whose sum is σ = 150936258819792. Its totient is φ = 24529002931200.

The previous prime is 61331562795197. The next prime is 61331562795229. The reversal of 61331562795200 is 259726513316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8023157 + ... + 13676043.

Almost surely, 2^{61331562795200} is an apocalyptic number.

It is an amenable number.

61331562795200 is an abundant number, since it is smaller than the sum of its proper divisors (89604696024592).

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

61331562795200 is a wasteful number, since it uses less digits than its factorization.

61331562795200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659690 (or 5659675 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 61331562795200 in words is "sixty-one trillion, three hundred thirty-one billion, five hundred sixty-two million, seven hundred ninety-five thousand, two hundred".