2515892520961 has 4 divisors (see below), whose sum is σ = 2517853467312. Its totient is φ = 2513931574612.

The previous prime is 2515892520931. The next prime is 2515892520983. The reversal of 2515892520961 is 1690252985152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2515892520961 - 2¹³ = 2515892512769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515892520931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980471251 + ... + 980473816.

It is an arithmetic number, because the mean of its divisors is an integer number (629463366828).

Almost surely, 2^{2515892520961} is an apocalyptic number.

It is an amenable number.

2515892520961 is a deficient number, since it is larger than the sum of its proper divisors (1960946351).

2515892520961 is a wasteful number, since it uses less digits than its factorization.

2515892520961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960946350.

The product of its (nonzero) digits is 3888000, while the sum is 55.

The spelling of 2515892520961 in words is "two trillion, five hundred fifteen billion, eight hundred ninety-two million, five hundred twenty thousand, nine hundred sixty-one".