105256621113 has 16 divisors (see below), whose sum is σ = 167364566016. Its totient is φ = 57531569040.

The previous prime is 105256621087. The next prime is 105256621117. The reversal of 105256621113 is 311126652501.

It is not a de Polignac number, because 105256621113 - 2⁵ = 105256621081 is a prime.

It is a super-2 number, since 2×105256621113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105256621117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108960823 + ... + 108961788.

It is an arithmetic number, because the mean of its divisors is an integer number (10460285376).

Almost surely, 2^105256621113 is an apocalyptic number.

It is an amenable number.

105256621113 is a deficient number, since it is larger than the sum of its proper divisors (62107944903).

105256621113 is a wasteful number, since it uses less digits than its factorization.

105256621113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217922644.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 105256621113 in words is "one hundred five billion, two hundred fifty-six million, six hundred twenty-one thousand, one hundred thirteen".