99754649511 has 24 divisors (see below), whose sum is σ = 147248747520. Its totient is φ = 60022387920.

The previous prime is 99754649453. The next prime is 99754649513. The reversal of 99754649511 is 11594645799.

It is not a de Polignac number, because 99754649511 - 2⁹ = 99754648999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99754649513) 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 23 ways as a sum of consecutive naturals, for example, 938055 + ... + 1038968.

It is an arithmetic number, because the mean of its divisors is an integer number (6135364480).

Almost surely, 2^99754649511 is an apocalyptic number.

99754649511 is a deficient number, since it is larger than the sum of its proper divisors (47494098009).

99754649511 is a wasteful number, since it uses less digits than its factorization.

99754649511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977187 (or 1977176 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 60.

The spelling of 99754649511 in words is "ninety-nine billion, seven hundred fifty-four million, six hundred forty-nine thousand, five hundred eleven".