2251346416615 has 4 divisors (see below), whose sum is σ = 2701615699944. Its totient is φ = 1801077133288.

The previous prime is 2251346416591. The next prime is 2251346416621. The reversal of 2251346416615 is 5166146431522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2251346416615 - 2¹⁷ = 2251346285543 is a prime.

It is a super-2 number, since 2×2251346416615² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225134641657 + ... + 225134641666.

It is an arithmetic number, because the mean of its divisors is an integer number (675403924986).

Almost surely, 2^{2251346416615} is an apocalyptic number.

2251346416615 is a deficient number, since it is larger than the sum of its proper divisors (450269283329).

2251346416615 is an equidigital number, since it uses as much as digits as its factorization.

2251346416615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450269283328.

The product of its digits is 1036800, while the sum is 46.

The spelling of 2251346416615 in words is "two trillion, two hundred fifty-one billion, three hundred forty-six million, four hundred sixteen thousand, six hundred fifteen".