99501053652 has 432 divisors, whose sum is σ = 363966063552. Its totient is φ = 22452111360.

The previous prime is 99501053611. The next prime is 99501053657. The reversal of 99501053652 is 25635010599.

99501053652 is a `hidden beast` number, since 9 + 9 + 50 + 10 + 536 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 99501053598 and 99501053607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99501053657) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4276683 + ... + 4299885.

It is an arithmetic number, because the mean of its divisors is an integer number (842514036).

Almost surely, 2^99501053652 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 99501053652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181983031776).

99501053652 is an abundant number, since it is smaller than the sum of its proper divisors (264465009900).

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

99501053652 is a wasteful number, since it uses less digits than its factorization.

99501053652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23268 (or 23256 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The spelling of 99501053652 in words is "ninety-nine billion, five hundred one million, fifty-three thousand, six hundred fifty-two".