61010517028 has 12 divisors (see below), whose sum is σ = 110450074140. Its totient is φ = 29453352992.

The previous prime is 61010517013. The next prime is 61010517049. The reversal of 61010517028 is 82071501016.

It can be written as a sum of positive squares in 2 ways, for example, as 36627069924 + 24383447104 = 191382^2 + 156152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262976251 + ... + 262976482.

It is an arithmetic number, because the mean of its divisors is an integer number (9204172845).

Almost surely, 2^61010517028 is an apocalyptic number.

It is an amenable number.

61010517028 is a deficient number, since it is larger than the sum of its proper divisors (49439557112).

61010517028 is a wasteful number, since it uses less digits than its factorization.

61010517028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525952766 (or 525952764 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The spelling of 61010517028 in words is "sixty-one billion, ten million, five hundred seventeen thousand, twenty-eight".