106057512251 has 4 divisors (see below), whose sum is σ = 111639486600. Its totient is φ = 100475537904.

The previous prime is 106057512233. The next prime is 106057512259. The reversal of 106057512251 is 152215750601.

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-106057512251 is a prime.

It is a super-2 number, since 2×106057512251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106057512259) 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, 2790987146 + ... + 2790987183.

It is an arithmetic number, because the mean of its divisors is an integer number (27909871650).

Almost surely, 2^106057512251 is an apocalyptic number.

106057512251 is a deficient number, since it is larger than the sum of its proper divisors (5581974349).

106057512251 is an equidigital number, since it uses as much as digits as its factorization.

106057512251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581974348.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 106057512251 in words is "one hundred six billion, fifty-seven million, five hundred twelve thousand, two hundred fifty-one".