102512959853 has 32 divisors (see below), whose sum is σ = 114124308480. Its totient is φ = 91587485440.

The previous prime is 102512959849. The next prime is 102512959867. The reversal of 102512959853 is 358959215201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102512959853 - 2² = 102512959849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102512959823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71238308 + ... + 71239746.

It is an arithmetic number, because the mean of its divisors is an integer number (3566384640).

Almost surely, 2^102512959853 is an apocalyptic number.

It is an amenable number.

102512959853 is a deficient number, since it is larger than the sum of its proper divisors (11611348627).

102512959853 is a wasteful number, since it uses less digits than its factorization.

102512959853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 102512959853 in words is "one hundred two billion, five hundred twelve million, nine hundred fifty-nine thousand, eight hundred fifty-three".