11255551141 has 4 divisors (see below), whose sum is σ = 11257552800. Its totient is φ = 11253549484.

The previous prime is 11255551123. The next prime is 11255551157. The reversal of 11255551141 is 14115555211.

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 11255551141 - 2²⁷ = 11121333413 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 (11255552141) 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, 992371 + ... + 1003648.

It is an arithmetic number, because the mean of its divisors is an integer number (2814388200).

Almost surely, 2^11255551141 is an apocalyptic number.

It is an amenable number.

11255551141 is a deficient number, since it is larger than the sum of its proper divisors (2001659).

11255551141 is an equidigital number, since it uses as much as digits as its factorization.

11255551141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001658.

The product of its digits is 5000, while the sum is 31.

The spelling of 11255551141 in words is "eleven billion, two hundred fifty-five million, five hundred fifty-one thousand, one hundred forty-one".