105445515321051 has 16 divisors (see below), whose sum is σ = 143131639656096. Its totient is φ = 69036466461696.

The previous prime is 105445515321037. The next prime is 105445515321089. The reversal of 105445515321051 is 150123515544501.

It is not a de Polignac number, because 105445515321051 - 2⁶ = 105445515320987 is a prime.

It is a super-2 number, since 2×105445515321051² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105445515320994 and 105445515321012.

It is not an unprimeable number, because it can be changed into a prime (105445515320051) 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, 1033181530 + ... + 1033283583.

It is an arithmetic number, because the mean of its divisors is an integer number (8945727478506).

Almost surely, 2^{105445515321051} is an apocalyptic number.

105445515321051 is a deficient number, since it is larger than the sum of its proper divisors (37686124335045).

105445515321051 is a wasteful number, since it uses less digits than its factorization.

105445515321051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066465422.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 105445515321051 in words is "one hundred five trillion, four hundred forty-five billion, five hundred fifteen million, three hundred twenty-one thousand, fifty-one".