2615204022451 has 4 divisors (see below), whose sum is σ = 2644588337400. Its totient is φ = 2585819707504.

The previous prime is 2615204022317. The next prime is 2615204022463. The reversal of 2615204022451 is 1542204025162.

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 2615204022451 - 2²⁵ = 2615170468019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2615204022481) 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 3 ways as a sum of consecutive naturals, for example, 14692157341 + ... + 14692157518.

It is an arithmetic number, because the mean of its divisors is an integer number (661147084350).

Almost surely, 2^{2615204022451} is an apocalyptic number.

2615204022451 is a deficient number, since it is larger than the sum of its proper divisors (29384314949).

2615204022451 is an equidigital number, since it uses as much as digits as its factorization.

2615204022451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29384314948.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 2615204022451 in words is "two trillion, six hundred fifteen billion, two hundred four million, twenty-two thousand, four hundred fifty-one".