99091506371 has 32 divisors (see below), whose sum is σ = 116851687680. Its totient is φ = 82842652800.

The previous prime is 99091506347. The next prime is 99091506427. The reversal of 99091506371 is 17360519099.

It is a cyclic number.

It is not a de Polignac number, because 99091506371 - 2¹⁸ = 99091244227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99091506301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56915561 + ... + 56917301.

It is an arithmetic number, because the mean of its divisors is an integer number (3651615240).

Almost surely, 2^99091506371 is an apocalyptic number.

99091506371 is a deficient number, since it is larger than the sum of its proper divisors (17760181309).

99091506371 is a wasteful number, since it uses less digits than its factorization.

99091506371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027.

The product of its (nonzero) digits is 459270, while the sum is 50.

The spelling of 99091506371 in words is "ninety-nine billion, ninety-one million, five hundred six thousand, three hundred seventy-one".