101126478075831 has 12 divisors (see below), whose sum is σ = 157307854784808. Its totient is φ = 62231678815824.

The previous prime is 101126478075809. The next prime is 101126478075893. The reversal of 101126478075831 is 138570874621101.

It is a happy number.

101126478075831 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 26 + 478 + 0 + 75 + 83 + 1 = 666.

It is not a de Polignac number, because 101126478075831 - 2⁹ = 101126478075319 is a prime.

It is a super-2 number, since 2×101126478075831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101126478075131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432164436105 + ... + 432164436338.

It is an arithmetic number, because the mean of its divisors is an integer number (13108987898734).

Almost surely, 2^{101126478075831} is an apocalyptic number.

101126478075831 is a deficient number, since it is larger than the sum of its proper divisors (56181376708977).

101126478075831 is a wasteful number, since it uses less digits than its factorization.

101126478075831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864328872462 (or 864328872459 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 101126478075831 in words is "one hundred one trillion, one hundred twenty-six billion, four hundred seventy-eight million, seventy-five thousand, eight hundred thirty-one".