99115437456 has 400 divisors, whose sum is σ = 340333931520. Its totient is φ = 27250836480.

The previous prime is 99115437427. The next prime is 99115437493. The reversal of 99115437456 is 65473451199.

99115437456 is a `hidden beast` number, since 9 + 9 + 1 + 154 + 37 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 55401810 + ... + 55403598.

Almost surely, 2^99115437456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99115437456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170166965760).

99115437456 is an abundant number, since it is smaller than the sum of its proper divisors (241218494064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99115437456 is a wasteful number, since it uses less digits than its factorization.

99115437456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2029 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The spelling of 99115437456 in words is "ninety-nine billion, one hundred fifteen million, four hundred thirty-seven thousand, four hundred fifty-six".