105050010551 has 4 divisors (see below), whose sum is σ = 106379757600. Its totient is φ = 103720263504.

The previous prime is 105050010433. The next prime is 105050010557. The reversal of 105050010551 is 155010050501.

It is a happy number.

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-105050010551 is a prime.

It is a super-2 number, since 2×105050010551² (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 (105050010557) 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, 664873406 + ... + 664873563.

It is an arithmetic number, because the mean of its divisors is an integer number (26594939400).

Almost surely, 2^105050010551 is an apocalyptic number.

105050010551 is a deficient number, since it is larger than the sum of its proper divisors (1329747049).

105050010551 is an equidigital number, since it uses as much as digits as its factorization.

105050010551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329747048.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 105050010551 in words is "one hundred five billion, fifty million, ten thousand, five hundred fifty-one".