55131277113 has 24 divisors (see below), whose sum is σ = 87080928480. Its totient is φ = 33333125760.

The previous prime is 55131277073. The next prime is 55131277121. The reversal of 55131277113 is 31177213155.

55131277113 is a `hidden beast` number, since 5 + 513 + 1 + 27 + 7 + 113 = 666.

It is not a de Polignac number, because 55131277113 - 2⁸ = 55131276857 is a prime.

It is a super-2 number, since 2×55131277113² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55131277133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623056 + ... + 706017.

It is an arithmetic number, because the mean of its divisors is an integer number (3628372020).

Almost surely, 2^55131277113 is an apocalyptic number.

It is an amenable number.

55131277113 is a deficient number, since it is larger than the sum of its proper divisors (31949651367).

55131277113 is a wasteful number, since it uses less digits than its factorization.

55131277113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329509 (or 1329506 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The spelling of 55131277113 in words is "fifty-five billion, one hundred thirty-one million, two hundred seventy-seven thousand, one hundred thirteen".