61010061656515 has 16 divisors (see below), whose sum is σ = 75736902048480. Its totient is φ = 47124842786560.

The previous prime is 61010061656473. The next prime is 61010061656549. The reversal of 61010061656515 is 51565616001016.

It is not a de Polignac number, because 61010061656515 - 2¹⁹ = 61010061132227 is a prime.

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, 52128300 + ... + 53285830.

It is an arithmetic number, because the mean of its divisors is an integer number (4733556378030).

Almost surely, 2^{61010061656515} is an apocalyptic number.

61010061656515 is a deficient number, since it is larger than the sum of its proper divisors (14726840391965).

61010061656515 is a wasteful number, since it uses less digits than its factorization.

61010061656515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521062.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 61010061656515 in words is "sixty-one trillion, ten billion, sixty-one million, six hundred fifty-six thousand, five hundred fifteen".