61500106115 has 16 divisors (see below), whose sum is σ = 84391754688. Its totient is φ = 42147125376.

The previous prime is 61500106099. The next prime is 61500106123. The reversal of 61500106115 is 51160100516.

It is a cyclic number.

It is not a de Polignac number, because 61500106115 - 2⁴ = 61500106099 is a prime.

It is a Duffinian 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, 446312 + ... + 567621.

It is an arithmetic number, because the mean of its divisors is an integer number (5274484668).

Almost surely, 2^61500106115 is an apocalyptic number.

61500106115 is a deficient number, since it is larger than the sum of its proper divisors (22891648573).

61500106115 is a wasteful number, since it uses less digits than its factorization.

61500106115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015678.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 61500106115 in words is "sixty-one billion, five hundred million, one hundred six thousand, one hundred fifteen".