2515112356551 has 16 divisors (see below), whose sum is σ = 3356105425920. Its totient is φ = 1675430930880.

The previous prime is 2515112356483. The next prime is 2515112356663. The reversal of 2515112356551 is 1556532115152.

It is not a de Polignac number, because 2515112356551 - 2²¹ = 2515110259399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515112356451) 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 15 ways as a sum of consecutive naturals, for example, 20892091 + ... + 21012131.

It is an arithmetic number, because the mean of its divisors is an integer number (209756589120).

Almost surely, 2^{2515112356551} is an apocalyptic number.

2515112356551 is a deficient number, since it is larger than the sum of its proper divisors (840993069369).

2515112356551 is a wasteful number, since it uses less digits than its factorization.

2515112356551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125446.

The product of its digits is 225000, while the sum is 42.

It can be divided in two parts, 251511 and 2356551, that added together give a palindrome (2608062).

The spelling of 2515112356551 in words is "two trillion, five hundred fifteen billion, one hundred twelve million, three hundred fifty-six thousand, five hundred fifty-one".