99011115501 has 8 divisors (see below), whose sum is σ = 134178998304. Its totient is φ = 64925321520.

The previous prime is 99011115493. The next prime is 99011115521. The reversal of 99011115501 is 10551111099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99011115501 - 2³ = 99011115493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99011115521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270521991 + ... + 270522356.

It is an arithmetic number, because the mean of its divisors is an integer number (16772374788).

Almost surely, 2^99011115501 is an apocalyptic number.

It is an amenable number.

99011115501 is a deficient number, since it is larger than the sum of its proper divisors (35167882803).

99011115501 is a wasteful number, since it uses less digits than its factorization.

99011115501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541044411.

The product of its (nonzero) digits is 2025, while the sum is 33.

The spelling of 99011115501 in words is "ninety-nine billion, eleven million, one hundred fifteen thousand, five hundred one".