102555521153 has 2 divisors, whose sum is σ = 102555521154. Its totient is φ = 102555521152.

The previous prime is 102555521147. The next prime is 102555521197. The reversal of 102555521153 is 351125555201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102497943409 + 57577744 = 320153^2 + 7588^2 .

It is a cyclic number.

It is not a de Polignac number, because 102555521153 - 2⁴ = 102555521137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (102555521143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51277760576 + 51277760577.

It is an arithmetic number, because the mean of its divisors is an integer number (51277760577).

Almost surely, 2^102555521153 is an apocalyptic number.

It is an amenable number.

102555521153 is a deficient number, since it is larger than the sum of its proper divisors (1).

102555521153 is an equidigital number, since it uses as much as digits as its factorization.

102555521153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 102555521153 in words is "one hundred two billion, five hundred fifty-five million, five hundred twenty-one thousand, one hundred fifty-three".