99120503315 has 8 divisors (see below), whose sum is σ = 119056505568. Its totient is φ = 79221801600.

The previous prime is 99120503257. The next prime is 99120503327. The reversal of 99120503315 is 51330502199.

It is a happy number.

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

It is not a de Polignac number, because 99120503315 - 2¹⁴ = 99120486931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9319286 + ... + 9329915.

It is an arithmetic number, because the mean of its divisors is an integer number (14882063196).

Almost surely, 2^99120503315 is an apocalyptic number.

99120503315 is a deficient number, since it is larger than the sum of its proper divisors (19936002253).

99120503315 is a wasteful number, since it uses less digits than its factorization.

99120503315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18650269.

The product of its (nonzero) digits is 36450, while the sum is 38.

The spelling of 99120503315 in words is "ninety-nine billion, one hundred twenty million, five hundred three thousand, three hundred fifteen".