2305780915072 has 16 divisors (see below), whose sum is σ = 4593547917000. Its totient is φ = 1152890457472.

The previous prime is 2305780915049. The next prime is 2305780915117. The reversal of 2305780915072 is 2705190875032.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9006956572 + ... + 9006956827.

Almost surely, 2^{2305780915072} is an apocalyptic number.

It is an amenable number.

2305780915072 is a deficient number, since it is larger than the sum of its proper divisors (2287767001928).

2305780915072 is an equidigital number, since it uses as much as digits as its factorization.

2305780915072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013913413 (or 18013913401 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 2305780915072 in words is "two trillion, three hundred five billion, seven hundred eighty million, nine hundred fifteen thousand, seventy-two".