61083560189951 has 16 divisors (see below), whose sum is σ = 66382720498080. Its totient is φ = 55871732067840.

The previous prime is 61083560189947. The next prime is 61083560190007. The reversal of 61083560189951 is 15998106538016.

It is not a de Polignac number, because 61083560189951 - 2² = 61083560189947 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 (61083560189921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31499870 + ... + 33382763.

It is an arithmetic number, because the mean of its divisors is an integer number (4148920031130).

Almost surely, 2^{61083560189951} is an apocalyptic number.

61083560189951 is a deficient number, since it is larger than the sum of its proper divisors (5299160308129).

61083560189951 is a wasteful number, since it uses less digits than its factorization.

61083560189951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64883306.

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 61083560189951 in words is "sixty-one trillion, eighty-three billion, five hundred sixty million, one hundred eighty-nine thousand, nine hundred fifty-one".