99105030256506 has 32 divisors (see below), whose sum is σ = 201732504281280. Its totient is φ = 32448841408896.

The previous prime is 99105030256469. The next prime is 99105030256549. The reversal of 99105030256506 is 60565203050199.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112722051 + ... + 113597846.

It is an arithmetic number, because the mean of its divisors is an integer number (6304140758790).

Almost surely, 2^{99105030256506} is an apocalyptic number.

99105030256506 is an abundant number, since it is smaller than the sum of its proper divisors (102627474024774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99105030256506 is a wasteful number, since it uses less digits than its factorization.

99105030256506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226321198.

The product of its (nonzero) digits is 2187000, while the sum is 51.

The spelling of 99105030256506 in words is "ninety-nine trillion, one hundred five billion, thirty million, two hundred fifty-six thousand, five hundred six".