99294121157 has 16 divisors (see below), whose sum is σ = 123820224000. Its totient is φ = 77356445040.

The previous prime is 99294121151. The next prime is 99294121183. The reversal of 99294121157 is 75112149299.

It is not a de Polignac number, because 99294121157 - 2¹⁴ = 99294104773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99294121151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262094 + ... + 516992.

It is an arithmetic number, because the mean of its divisors is an integer number (7738764000).

Almost surely, 2^99294121157 is an apocalyptic number.

It is an amenable number.

99294121157 is a deficient number, since it is larger than the sum of its proper divisors (24526102843).

99294121157 is a wasteful number, since it uses less digits than its factorization.

99294121157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259976.

The product of its digits is 408240, while the sum is 50.

It can be divided in two parts, 992 and 94121157, that added together give a palindrome (94122149).

The spelling of 99294121157 in words is "ninety-nine billion, two hundred ninety-four million, one hundred twenty-one thousand, one hundred fifty-seven".