61056051015 has 16 divisors (see below), whose sum is σ = 98007896448. Its totient is φ = 32457155616.

The previous prime is 61056050977. The next prime is 61056051019. The reversal of 61056051015 is 51015065016.

It is not a de Polignac number, because 61056051015 - 2²⁵ = 61022496583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61056051019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6624717 + ... + 6633926.

It is an arithmetic number, because the mean of its divisors is an integer number (6125493528).

Almost surely, 2^61056051015 is an apocalyptic number.

61056051015 is a deficient number, since it is larger than the sum of its proper divisors (36951845433).

61056051015 is a wasteful number, since it uses less digits than its factorization.

61056051015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258958.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 61056051015 in words is "sixty-one billion, fifty-six million, fifty-one thousand, fifteen".