102361472561 has 16 divisors (see below), whose sum is σ = 108011366400. Its totient is φ = 96813370368.

The previous prime is 102361472533. The next prime is 102361472593. The reversal of 102361472561 is 165274163201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102361472561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102361472761) 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 15 ways as a sum of consecutive naturals, for example, 2498480 + ... + 2539118.

It is an arithmetic number, because the mean of its divisors is an integer number (6750710400).

Almost surely, 2^102361472561 is an apocalyptic number.

It is an amenable number.

102361472561 is a deficient number, since it is larger than the sum of its proper divisors (5649893839).

102361472561 is a wasteful number, since it uses less digits than its factorization.

102361472561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41888.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 102361472561 in words is "one hundred two billion, three hundred sixty-one million, four hundred seventy-two thousand, five hundred sixty-one".