99132551 has 4 divisors (see below), whose sum is σ = 113294352. Its totient is φ = 84970752.

The previous prime is 99132529. The next prime is 99132563. The reversal of 99132551 is 15523199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99132551 - 2⁶ = 99132487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99132511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7080890 + ... + 7080903.

It is an arithmetic number, because the mean of its divisors is an integer number (28323588).

Almost surely, 2^99132551 is an apocalyptic number.

99132551 is a deficient number, since it is larger than the sum of its proper divisors (14161801).

99132551 is a wasteful number, since it uses less digits than its factorization.

99132551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161800.

The product of its digits is 12150, while the sum is 35.

The square root of 99132551 is about 9956.5330813492. The cubic root of 99132551 is about 462.8128699688.

The spelling of 99132551 in words is "ninety-nine million, one hundred thirty-two thousand, five hundred fifty-one".