99215735129 has 16 divisors (see below), whose sum is σ = 115909219200. Its totient is φ = 84890841840.

The previous prime is 99215735119. The next prime is 99215735131. The reversal of 99215735129 is 92153751299.

It is not a de Polignac number, because 99215735129 - 2²⁸ = 98947299673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99215735119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63782 + ... + 449999.

It is an arithmetic number, because the mean of its divisors is an integer number (7244326200).

Almost surely, 2^99215735129 is an apocalyptic number.

It is an amenable number.

99215735129 is a deficient number, since it is larger than the sum of its proper divisors (16693484071).

99215735129 is an equidigital number, since it uses as much as digits as its factorization.

99215735129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514365 (or 514351 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 53.

The spelling of 99215735129 in words is "ninety-nine billion, two hundred fifteen million, seven hundred thirty-five thousand, one hundred twenty-nine".