105631627451 has 6 divisors (see below), whose sum is σ = 122877607500. Its totient is φ = 90541394916.

The previous prime is 105631627433. The next prime is 105631627459. The reversal of 105631627451 is 154726136501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-105631627451 is a prime.

It is a super-2 number, since 2×105631627451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105631627399 and 105631627408.

It is not an unprimeable number, because it can be changed into a prime (105631627459) 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 5 ways as a sum of consecutive naturals, for example, 1077873701 + ... + 1077873798.

It is an arithmetic number, because the mean of its divisors is an integer number (20479601250).

Almost surely, 2^105631627451 is an apocalyptic number.

105631627451 is a deficient number, since it is larger than the sum of its proper divisors (17245980049).

105631627451 is an equidigital number, since it uses as much as digits as its factorization.

105631627451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155747513 (or 2155747506 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 105631627451 in words is "one hundred five billion, six hundred thirty-one million, six hundred twenty-seven thousand, four hundred fifty-one".