99999151 has 12 divisors (see below), whose sum is σ = 123169248. Its totient is φ = 80670912.

The previous prime is 99999131. The next prime is 99999157. The reversal of 99999151 is 15199999.

It is a de Polignac number, because none of the positive numbers 2^k-99999151 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 (99999157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59191 + ... + 60856.

It is an arithmetic number, because the mean of its divisors is an integer number (10264104).

Almost surely, 2^99999151 is an apocalyptic number.

99999151 is a deficient number, since it is larger than the sum of its proper divisors (23170097).

99999151 is a wasteful number, since it uses less digits than its factorization.

99999151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120078 (or 120071 counting only the distinct ones).

The product of its digits is 295245, while the sum is 52.

The square root of 99999151 is about 9999.9575499099. The cubic root of 99999151 is about 464.1575697879.

The spelling of 99999151 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred fifty-one".