99201244729531 has 16 divisors (see below), whose sum is σ = 113546124979200. Its totient is φ = 84899693668608.

The previous prime is 99201244729523. The next prime is 99201244729583. The reversal of 99201244729531 is 13592744210299.

It is not a de Polignac number, because 99201244729531 - 2³ = 99201244729523 is a prime.

It is a super-2 number, since 2×99201244729531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99201244726531) 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, 113755560 + ... + 114624298.

It is an arithmetic number, because the mean of its divisors is an integer number (7096632811200).

Almost surely, 2^{99201244729531} is an apocalyptic number.

99201244729531 is a deficient number, since it is larger than the sum of its proper divisors (14344880249669).

99201244729531 is a wasteful number, since it uses less digits than its factorization.

99201244729531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893658.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 99201244729531 in words is "ninety-nine trillion, two hundred one billion, two hundred forty-four million, seven hundred twenty-nine thousand, five hundred thirty-one".