99511452 has 18 divisors (see below), whose sum is σ = 251542928. Its totient is φ = 33170472.

The previous prime is 99511429. The next prime is 99511453. The reversal of 99511452 is 25411599.

99511452 is a `hidden beast` number, since 99 + 511 + 4 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2764207 = 99511452 / (9 + 9 + 5 + 1 + 1 + 4 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99511453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1382068 + ... + 1382139.

Almost surely, 2^99511452 is an apocalyptic number.

It is an amenable number.

99511452 is an abundant number, since it is smaller than the sum of its proper divisors (152031476).

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

99511452 is a wasteful number, since it uses less digits than its factorization.

99511452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764217 (or 2764212 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 99511452 is about 9975.5426920043. The cubic root of 99511452 is about 463.4017694173.

The spelling of 99511452 in words is "ninety-nine million, five hundred eleven thousand, four hundred fifty-two".