2251360143565 has 64 divisors (see below), whose sum is σ = 3078837216000. Its totient is φ = 1566692112384.

The previous prime is 2251360143553. The next prime is 2251360143577. The reversal of 2251360143565 is 5653410631522.

It is an interprime number because it is at equal distance from previous prime (2251360143553) and next prime (2251360143577).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251360143565 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384910761 + ... + 384916609.

It is an arithmetic number, because the mean of its divisors is an integer number (48106831500).

Almost surely, 2^{2251360143565} is an apocalyptic number.

It is an amenable number.

2251360143565 is a deficient number, since it is larger than the sum of its proper divisors (827477072435).

2251360143565 is a wasteful number, since it uses less digits than its factorization.

2251360143565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7486.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 2251360143565 in words is "two trillion, two hundred fifty-one billion, three hundred sixty million, one hundred forty-three thousand, five hundred sixty-five".