102912186551 has 2 divisors, whose sum is σ = 102912186552. Its totient is φ = 102912186550.

The previous prime is 102912186541. The next prime is 102912186563. The reversal of 102912186551 is 155681219201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102912186551 - 2³⁰ = 101838444727 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102912186499 and 102912186508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102912186521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51456093275 + 51456093276.

It is an arithmetic number, because the mean of its divisors is an integer number (51456093276).

Almost surely, 2^102912186551 is an apocalyptic number.

102912186551 is a deficient number, since it is larger than the sum of its proper divisors (1).

102912186551 is an equidigital number, since it uses as much as digits as its factorization.

102912186551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 41.

The spelling of 102912186551 in words is "one hundred two billion, nine hundred twelve million, one hundred eighty-six thousand, five hundred fifty-one".