99154975151 has 2 divisors, whose sum is σ = 99154975152. Its totient is φ = 99154975150.

The previous prime is 99154975103. The next prime is 99154975169. The reversal of 99154975151 is 15157945199.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99154975151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99154977151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49577487575 + 49577487576.

It is an arithmetic number, because the mean of its divisors is an integer number (49577487576).

Almost surely, 2^99154975151 is an apocalyptic number.

99154975151 is a deficient number, since it is larger than the sum of its proper divisors (1).

99154975151 is an equidigital number, since it uses as much as digits as its factorization.

99154975151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2551500, while the sum is 56.

The spelling of 99154975151 in words is "ninety-nine billion, one hundred fifty-four million, nine hundred seventy-five thousand, one hundred fifty-one".