2251116260643 has 8 divisors (see below), whose sum is σ = 3002420210256. Its totient is φ = 1500278242400.

The previous prime is 2251116260633. The next prime is 2251116260669. The reversal of 2251116260643 is 3460626111522.

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 2251116260643 - 2⁵ = 2251116260611 is a prime.

It is a super-2 number, since 2×2251116260643² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2251116260623) by changing a digit.

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, 116471568 + ... + 116490893.

It is an arithmetic number, because the mean of its divisors is an integer number (375302526282).

Almost surely, 2^{2251116260643} is an apocalyptic number.

2251116260643 is a deficient number, since it is larger than the sum of its proper divisors (751303949613).

2251116260643 is a wasteful number, since it uses less digits than its factorization.

2251116260643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232965685.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 2251116260643 in words is "two trillion, two hundred fifty-one billion, one hundred sixteen million, two hundred sixty thousand, six hundred forty-three".