61425010660131 has 48 divisors (see below), whose sum is σ = 94154086258752. Its totient is φ = 38505456000000.

The previous prime is 61425010660127. The next prime is 61425010660199. The reversal of 61425010660131 is 13106601052416.

61425010660131 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 5 + 0 + 10 + 6 + 601 + 31 = 666.

It is not a de Polignac number, because 61425010660131 - 2² = 61425010660127 is a prime.

It is a super-2 number, since 2×61425010660131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61425010660121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20747631 + ... + 23522631.

It is an arithmetic number, because the mean of its divisors is an integer number (1961543463724).

Almost surely, 2^{61425010660131} is an apocalyptic number.

61425010660131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

61425010660131 is a deficient number, since it is larger than the sum of its proper divisors (32729075598621).

61425010660131 is a wasteful number, since it uses less digits than its factorization.

61425010660131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776844 (or 2776841 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 61425010660131 in words is "sixty-one trillion, four hundred twenty-five billion, ten million, six hundred sixty thousand, one hundred thirty-one".