102977545571 has 2 divisors, whose sum is σ = 102977545572. Its totient is φ = 102977545570.

The previous prime is 102977545519. The next prime is 102977545591. The reversal of 102977545571 is 175545779201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102977545571 - 2⁶ = 102977545507 is a prime.

It is not a weakly prime, because it can be changed into another prime (102977545511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51488772785 + 51488772786.

It is an arithmetic number, because the mean of its divisors is an integer number (51488772786).

Almost surely, 2^102977545571 is an apocalyptic number.

102977545571 is a deficient number, since it is larger than the sum of its proper divisors (1).

102977545571 is an equidigital number, since it uses as much as digits as its factorization.

102977545571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087000, while the sum is 53.

The spelling of 102977545571 in words is "one hundred two billion, nine hundred seventy-seven million, five hundred forty-five thousand, five hundred seventy-one".