11312542541 has 4 divisors (see below), whose sum is σ = 11618286972. Its totient is φ = 11006798112.

The previous prime is 11312542529. The next prime is 11312542627. The reversal of 11312542541 is 14524521311.

It is a happy number.

11312542541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7834020100 + 3478522441 = 88510^2 + 58979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312542541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312544541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152872160 + ... + 152872233.

It is an arithmetic number, because the mean of its divisors is an integer number (2904571743).

Almost surely, 2^11312542541 is an apocalyptic number.

It is an amenable number.

11312542541 is a deficient number, since it is larger than the sum of its proper divisors (305744431).

11312542541 is an equidigital number, since it uses as much as digits as its factorization.

11312542541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305744430.

The product of its digits is 4800, while the sum is 29.

The spelling of 11312542541 in words is "eleven billion, three hundred twelve million, five hundred forty-two thousand, five hundred forty-one".