105625764127 has 4 divisors (see below), whose sum is σ = 113750822920. Its totient is φ = 97500705336.

The previous prime is 105625764113. The next prime is 105625764157. The reversal of 105625764127 is 721467526501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105625764127 is a prime.

It is a super-2 number, since 2×105625764127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105625764107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062529377 + ... + 4062529402.

It is an arithmetic number, because the mean of its divisors is an integer number (28437705730).

Almost surely, 2^105625764127 is an apocalyptic number.

105625764127 is a deficient number, since it is larger than the sum of its proper divisors (8125058793).

105625764127 is an equidigital number, since it uses as much as digits as its factorization.

105625764127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125058792.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 105625764127 in words is "one hundred five billion, six hundred twenty-five million, seven hundred sixty-four thousand, one hundred twenty-seven".