11560255772551 has 4 divisors (see below), whose sum is σ = 11562522050104. Its totient is φ = 11557989495000.

The previous prime is 11560255772537. The next prime is 11560255772567. The reversal of 11560255772551 is 15527755206511.

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 11560255772551 - 2²⁵ = 11560222218119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11560255772521) 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, 1133131125 + ... + 1133141326.

It is an arithmetic number, because the mean of its divisors is an integer number (2890630512526).

Almost surely, 2^{11560255772551} is an apocalyptic number.

11560255772551 is a deficient number, since it is larger than the sum of its proper divisors (2266277553).

11560255772551 is an equidigital number, since it uses as much as digits as its factorization.

11560255772551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266277552.

The product of its (nonzero) digits is 3675000, while the sum is 52.

The spelling of 11560255772551 in words is "eleven trillion, five hundred sixty billion, two hundred fifty-five million, seven hundred seventy-two thousand, five hundred fifty-one".