102688512853 has 2 divisors, whose sum is σ = 102688512854. Its totient is φ = 102688512852.

The previous prime is 102688512841. The next prime is 102688512907. The reversal of 102688512853 is 358215886201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82115487364 + 20573025489 = 286558^2 + 143433^2 .

It is a cyclic number.

It is not a de Polignac number, because 102688512853 - 2⁹ = 102688512341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102688512797 and 102688512806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102688512803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51344256426 + 51344256427.

It is an arithmetic number, because the mean of its divisors is an integer number (51344256427).

Almost surely, 2^102688512853 is an apocalyptic number.

It is an amenable number.

102688512853 is a deficient number, since it is larger than the sum of its proper divisors (1).

102688512853 is an equidigital number, since it uses as much as digits as its factorization.

102688512853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 102688512853 in words is "one hundred two billion, six hundred eighty-eight million, five hundred twelve thousand, eight hundred fifty-three".