105499031264187 has 32 divisors (see below), whose sum is σ = 154999975200000. Its totient is φ = 63296926727040.

The previous prime is 105499031264183. The next prime is 105499031264197. The reversal of 105499031264187 is 781462130994501.

It is not a de Polignac number, because 105499031264187 - 2² = 105499031264183 is a prime.

It is a super-2 number, since 2×105499031264187² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105499031264187.

It is not an unprimeable number, because it can be changed into a prime (105499031264183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31349812 + ... + 34551537.

It is an arithmetic number, because the mean of its divisors is an integer number (4843749225000).

It is a 2-persistent number, because it is pandigital, and so is 2⋅105499031264187 = 210998062528374, but 3⋅105499031264187 = 316497093792561 is not.

Almost surely, 2^{105499031264187} is an apocalyptic number.

105499031264187 is a deficient number, since it is larger than the sum of its proper divisors (49500943935813).

105499031264187 is a wasteful number, since it uses less digits than its factorization.

105499031264187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65901851.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 105499031264187 in words is "one hundred five trillion, four hundred ninety-nine billion, thirty-one million, two hundred sixty-four thousand, one hundred eighty-seven".