61010005086 has 32 divisors (see below), whose sum is σ = 135607921920. Its totient is φ = 20332148472.

The previous prime is 61010005073. The next prime is 61010005129. The reversal of 61010005086 is 68050001016.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124221 + ... + 370743.

It is an arithmetic number, because the mean of its divisors is an integer number (4237747560).

Almost surely, 2^61010005086 is an apocalyptic number.

61010005086 is an abundant number, since it is smaller than the sum of its proper divisors (74597916834).

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

61010005086 is a wasteful number, since it uses less digits than its factorization.

61010005086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251117 (or 251111 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 61010005086 in words is "sixty-one billion, ten million, five thousand, eighty-six".