61560141302551 has 24 divisors (see below), whose sum is σ = 66808152573120. Its totient is φ = 56699305807872.

The previous prime is 61560141302533. The next prime is 61560141302567. The reversal of 61560141302551 is 15520314106516.

It is not a de Polignac number, because 61560141302551 - 2⁵ = 61560141302519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61560141302521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9350806 + ... + 14510611.

It is an arithmetic number, because the mean of its divisors is an integer number (2783673023880).

Almost surely, 2^{61560141302551} is an apocalyptic number.

61560141302551 is a deficient number, since it is larger than the sum of its proper divisors (5248011270569).

61560141302551 is a wasteful number, since it uses less digits than its factorization.

61560141302551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861643 (or 23861626 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 61560141302551 in words is "sixty-one trillion, five hundred sixty billion, one hundred forty-one million, three hundred two thousand, five hundred fifty-one".