99815528051 has 2 divisors, whose sum is σ = 99815528052. Its totient is φ = 99815528050.

The previous prime is 99815528003. The next prime is 99815528053. The reversal of 99815528051 is 15082551899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99815528051 - 2¹⁰ = 99815527027 is a prime.

Together with 99815528053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99815527984 and 99815528002.

It is not a weakly prime, because it can be changed into another prime (99815528053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49907764025 + 49907764026.

It is an arithmetic number, because the mean of its divisors is an integer number (49907764026).

Almost surely, 2^99815528051 is an apocalyptic number.

99815528051 is a deficient number, since it is larger than the sum of its proper divisors (1).

99815528051 is an equidigital number, since it uses as much as digits as its factorization.

99815528051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 53.

The spelling of 99815528051 in words is "ninety-nine billion, eight hundred fifteen million, five hundred twenty-eight thousand, fifty-one".