102045656517772 has 48 divisors (see below), whose sum is σ = 206621957136672. Its totient is φ = 43582276935680.

The previous prime is 102045656517751. The next prime is 102045656517799. The reversal of 102045656517772 is 277715656540201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114585673 + ... + 115472800.

It is an arithmetic number, because the mean of its divisors is an integer number (4304624107014).

Almost surely, 2^{102045656517772} is an apocalyptic number.

It is an amenable number.

102045656517772 is an abundant number, since it is smaller than the sum of its proper divisors (104576300618900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102045656517772 is a wasteful number, since it uses less digits than its factorization.

102045656517772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230059098 (or 230059096 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 102045656517772 in words is "one hundred two trillion, forty-five billion, six hundred fifty-six million, five hundred seventeen thousand, seven hundred seventy-two".