2265389148972 has 54 divisors (see below), whose sum is σ = 5433094205028. Its totient is φ = 734658238368.

The previous prime is 2265389148937. The next prime is 2265389148977. The reversal of 2265389148972 is 2798419835622.

It is not an unprimeable number, because it can be changed into a prime (2265389148977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 192908133 + ... + 192919875.

Almost surely, 2^{2265389148972} is an apocalyptic number.

It is an amenable number.

2265389148972 is an abundant number, since it is smaller than the sum of its proper divisors (3167705056056).

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

2265389148972 is an frugal number, since it uses more digits than its factorization.

2265389148972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23567 (or 11785 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 66.

The spelling of 2265389148972 in words is "two trillion, two hundred sixty-five billion, three hundred eighty-nine million, one hundred forty-eight thousand, nine hundred seventy-two".