99011505 has 16 divisors (see below), whose sum is σ = 158595840. Its totient is φ = 52747008.

The previous prime is 99011477. The next prime is 99011513. The reversal of 99011505 is 50511099.

It is not a de Polignac number, because 99011505 - 2⁷ = 99011377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12409 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (9912240).

Almost surely, 2^99011505 is an apocalyptic number.

It is an amenable number.

99011505 is a deficient number, since it is larger than the sum of its proper divisors (59584335).

99011505 is a wasteful number, since it uses less digits than its factorization.

99011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 99011505 is about 9950.4525022735. The cubic root of 99011505 is about 462.6244203851.

The spelling of 99011505 in words is "ninety-nine million, eleven thousand, five hundred five".