61105015074 has 16 divisors (see below), whose sum is σ = 123019369920. Its totient is φ = 20233448400.

The previous prime is 61105015003. The next prime is 61105015079. The reversal of 61105015074 is 47051050116.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61105015079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33721509 + ... + 33723320.

It is an arithmetic number, because the mean of its divisors is an integer number (7688710620).

Almost surely, 2^61105015074 is an apocalyptic number.

61105015074 is an abundant number, since it is smaller than the sum of its proper divisors (61914354846).

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

61105015074 is a wasteful number, since it uses less digits than its factorization.

61105015074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67444985.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 61105015074 in words is "sixty-one billion, one hundred five million, fifteen thousand, seventy-four".