2251356325651 has 8 divisors (see below), whose sum is σ = 2351402625024. Its totient is φ = 2151490129800.

The previous prime is 2251356325649. The next prime is 2251356325681. The reversal of 2251356325651 is 1565236531522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251356325651 - 2¹ = 2251356325649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251356325681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45000325 + ... + 45050326.

It is an arithmetic number, because the mean of its divisors is an integer number (293925328128).

Almost surely, 2^{2251356325651} is an apocalyptic number.

2251356325651 is a deficient number, since it is larger than the sum of its proper divisors (100046299373).

2251356325651 is a wasteful number, since it uses less digits than its factorization.

2251356325651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90051761.

The product of its digits is 1620000, while the sum is 46.

The spelling of 2251356325651 in words is "two trillion, two hundred fifty-one billion, three hundred fifty-six million, three hundred twenty-five thousand, six hundred fifty-one".