61127070080 has 64 divisors (see below), whose sum is σ = 146163960000. Its totient is φ = 24445464576.

The previous prime is 61127070061. The next prime is 61127070127. The reversal of 61127070080 is 8007072116.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4282796 + ... + 4297044.

It is an arithmetic number, because the mean of its divisors is an integer number (2283811875).

Almost surely, 2^61127070080 is an apocalyptic number.

It is an amenable number.

61127070080 is an abundant number, since it is smaller than the sum of its proper divisors (85036889920).

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

61127070080 is a wasteful number, since it uses less digits than its factorization.

61127070080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20971 (or 20959 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 61127070080 in words is "sixty-one billion, one hundred twenty-seven million, seventy thousand, eighty".