11256108551 has 2 divisors, whose sum is σ = 11256108552. Its totient is φ = 11256108550.

The previous prime is 11256108547. The next prime is 11256108557. The reversal of 11256108551 is 15580165211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11256108551 - 2² = 11256108547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11256108557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5628054275 + 5628054276.

It is an arithmetic number, because the mean of its divisors is an integer number (5628054276).

Almost surely, 2^11256108551 is an apocalyptic number.

11256108551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256108551 is an equidigital number, since it uses as much as digits as its factorization.

11256108551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 35.

The spelling of 11256108551 in words is "eleven billion, two hundred fifty-six million, one hundred eight thousand, five hundred fifty-one".