105444215125051 has 16 divisors (see below), whose sum is σ = 116582377307616. Its totient is φ = 94571528800000.

The previous prime is 105444215125033. The next prime is 105444215125079. The reversal of 105444215125051 is 150521512444501.

It is a cyclic number.

It is not a de Polignac number, because 105444215125051 - 2⁷ = 105444215124923 is a prime.

It is a super-2 number, since 2×105444215125051² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105444215124995 and 105444215125013.

It is not an unprimeable number, because it can be changed into a prime (105444215105051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168565540 + ... + 169189921.

It is an arithmetic number, because the mean of its divisors is an integer number (7286398581726).

Almost surely, 2^{105444215125051} is an apocalyptic number.

105444215125051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105444215125051 is a deficient number, since it is larger than the sum of its proper divisors (11138162182565).

105444215125051 is a wasteful number, since it uses less digits than its factorization.

105444215125051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337755854.

The product of its (nonzero) digits is 160000, while the sum is 40.

Adding to 105444215125051 its reverse (150521512444501), we get a palindrome (255965727569552).

The spelling of 105444215125051 in words is "one hundred five trillion, four hundred forty-four billion, two hundred fifteen million, one hundred twenty-five thousand, fifty-one".