102153685557 has 48 divisors (see below), whose sum is σ = 173094801984. Its totient is φ = 52990560000.

The previous prime is 102153685553. The next prime is 102153685567. The reversal of 102153685557 is 755586351201.

It is not a de Polignac number, because 102153685557 - 2² = 102153685553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102153685553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1088457 + ... + 1178577.

It is an arithmetic number, because the mean of its divisors is an integer number (3606141708).

Almost surely, 2^102153685557 is an apocalyptic number.

It is an amenable number.

102153685557 is a deficient number, since it is larger than the sum of its proper divisors (70941116427).

102153685557 is a wasteful number, since it uses less digits than its factorization.

102153685557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90850 (or 90843 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 102153685557 in words is "one hundred two billion, one hundred fifty-three million, six hundred eighty-five thousand, five hundred fifty-seven".