2251360143564 has 24 divisors (see below), whose sum is σ = 6003627049728. Its totient is φ = 643245755280.

The previous prime is 2251360143553. The next prime is 2251360143577. The reversal of 2251360143564 is 4653410631522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13400953152 + ... + 13400953319.

It is an arithmetic number, because the mean of its divisors is an integer number (250151127072).

Almost surely, 2^{2251360143564} is an apocalyptic number.

It is an amenable number.

2251360143564 is an abundant number, since it is smaller than the sum of its proper divisors (3752266906164).

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

2251360143564 is a wasteful number, since it uses less digits than its factorization.

2251360143564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26801906485 (or 26801906483 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 2251360143564 in words is "two trillion, two hundred fifty-one billion, three hundred sixty million, one hundred forty-three thousand, five hundred sixty-four".