99380641992255 has 96 divisors (see below), whose sum is σ = 185694433753920. Its totient is φ = 48877368053760.

The previous prime is 99380641992197. The next prime is 99380641992263. The reversal of 99380641992255 is 55229914608399.

99380641992255 is a `hidden beast` number, since 9 + 9 + 380 + 6 + 4 + 19 + 9 + 225 + 5 = 666.

It is a Cunningham number, because it is equal to 9968984²-1.

It is not a de Polignac number, because 99380641992255 - 2⁷ = 99380641992127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5831846535 + ... + 5831863575.

It is an arithmetic number, because the mean of its divisors is an integer number (1934317018270).

Almost surely, 2^{99380641992255} is an apocalyptic number.

99380641992255 is a deficient number, since it is larger than the sum of its proper divisors (86313791761665).

99380641992255 is a wasteful number, since it uses less digits than its factorization.

99380641992255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26361 (or 26358 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 72.

The spelling of 99380641992255 in words is "ninety-nine trillion, three hundred eighty billion, six hundred forty-one million, nine hundred ninety-two thousand, two hundred fifty-five".