102153685553 has 2 divisors, whose sum is σ = 102153685554. Its totient is φ = 102153685552.

The previous prime is 102153685511. The next prime is 102153685567. The reversal of 102153685553 is 355586351201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67593760144 + 34559925409 = 259988^2 + 185903^2 .

It is an emirp because it is prime and its reverse (355586351201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102153685553 - 2⁸ = 102153685297 is a prime.

It is a super-2 number, since 2×102153685553² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102153685453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51076842776 + 51076842777.

It is an arithmetic number, because the mean of its divisors is an integer number (51076842777).

Almost surely, 2^102153685553 is an apocalyptic number.

It is an amenable number.

102153685553 is a deficient number, since it is larger than the sum of its proper divisors (1).

102153685553 is an equidigital number, since it uses as much as digits as its factorization.

102153685553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 102153685553 in words is "one hundred two billion, one hundred fifty-three million, six hundred eighty-five thousand, five hundred fifty-three".