11542555241 has 4 divisors (see below), whose sum is σ = 13191491712. Its totient is φ = 9893618772.

The previous prime is 11542555223. The next prime is 11542555243. The reversal of 11542555241 is 14255524511.

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 a de Polignac number, because none of the positive numbers 2^k-11542555241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11542555243) 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, 824468225 + ... + 824468238.

It is an arithmetic number, because the mean of its divisors is an integer number (3297872928).

Almost surely, 2^11542555241 is an apocalyptic number.

It is an amenable number.

11542555241 is a deficient number, since it is larger than the sum of its proper divisors (1648936471).

11542555241 is an equidigital number, since it uses as much as digits as its factorization.

11542555241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648936470.

The product of its digits is 40000, while the sum is 35.

The spelling of 11542555241 in words is "eleven billion, five hundred forty-two million, five hundred fifty-five thousand, two hundred forty-one".