2515796060987 has 4 divisors (see below), whose sum is σ = 2744504793816. Its totient is φ = 2287087328160.

The previous prime is 2515796060941. The next prime is 2515796061007. The reversal of 2515796060987 is 7890606975152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2515796060987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515796060887) 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, 114354366398 + ... + 114354366419.

It is an arithmetic number, because the mean of its divisors is an integer number (686126198454).

Almost surely, 2^{2515796060987} is an apocalyptic number.

2515796060987 is a deficient number, since it is larger than the sum of its proper divisors (228708732829).

2515796060987 is a wasteful number, since it uses less digits than its factorization.

2515796060987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228708732828.

The product of its (nonzero) digits is 57153600, while the sum is 65.

The spelling of 2515796060987 in words is "two trillion, five hundred fifteen billion, seven hundred ninety-six million, sixty thousand, nine hundred eighty-seven".