99749195555 has 8 divisors (see below), whose sum is σ = 121214212800. Its totient is φ = 78789237696.

The previous prime is 99749195509. The next prime is 99749195573. The reversal of 99749195555 is 55559194799.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99749195555 - 2¹⁴ = 99749179171 is a prime.

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, 126264410 + ... + 126265199.

It is an arithmetic number, because the mean of its divisors is an integer number (15151776600).

Almost surely, 2^99749195555 is an apocalyptic number.

99749195555 is a deficient number, since it is larger than the sum of its proper divisors (21465017245).

99749195555 is a wasteful number, since it uses less digits than its factorization.

99749195555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252529693.

The product of its digits is 114817500, while the sum is 68.

The spelling of 99749195555 in words is "ninety-nine billion, seven hundred forty-nine million, one hundred ninety-five thousand, five hundred fifty-five".