99281903755 has 4 divisors (see below), whose sum is σ = 119138284512. Its totient is φ = 79425523000.

The previous prime is 99281903723. The next prime is 99281903771. The reversal of 99281903755 is 55730918299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55730918299 = 7 ⋅7961559757.

It is not a de Polignac number, because 99281903755 - 2⁵ = 99281903723 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99281903755.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9928190371 + ... + 9928190380.

It is an arithmetic number, because the mean of its divisors is an integer number (29784571128).

Almost surely, 2^99281903755 is an apocalyptic number.

99281903755 is a deficient number, since it is larger than the sum of its proper divisors (19856380757).

99281903755 is a wasteful number, since it uses less digits than its factorization.

99281903755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856380756.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 99281903755 in words is "ninety-nine billion, two hundred eighty-one million, nine hundred three thousand, seven hundred fifty-five".