61156795392 has 704 divisors, whose sum is σ = 235814400000. Its totient is φ = 15182069760.

The previous prime is 61156795363. The next prime is 61156795409. The reversal of 61156795392 is 29359765116.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48963984 + ... + 48965232.

Almost surely, 2^61156795392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61156795392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117907200000).

61156795392 is an abundant number, since it is smaller than the sum of its proper divisors (174657604608).

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

61156795392 is a wasteful number, since it uses less digits than its factorization.

61156795392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1295 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The spelling of 61156795392 in words is "sixty-one billion, one hundred fifty-six million, seven hundred ninety-five thousand, three hundred ninety-two".