1145425772816 has 40 divisors (see below), whose sum is σ = 2390180065560. Its totient is φ = 528612673536.

The previous prime is 1145425772801. The next prime is 1145425772833. The reversal of 1145425772816 is 6182775245411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 324553532416 + 820872240400 = 569696^2 + 906020^2 .

It is a super-2 number, since 2×1145425772816² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255870 + ... + 2716578.

It is an arithmetic number, because the mean of its divisors is an integer number (59754501639).

Almost surely, 2^{1145425772816} is an apocalyptic number.

1145425772816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145425772816 is an abundant number, since it is smaller than the sum of its proper divisors (1244754292744).

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

1145425772816 is a wasteful number, since it uses less digits than its factorization.

1145425772816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472683 (or 472677 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 53.

The spelling of 1145425772816 in words is "one trillion, one hundred forty-five billion, four hundred twenty-five million, seven hundred seventy-two thousand, eight hundred sixteen".