115531043541 has 32 divisors (see below), whose sum is σ = 162617466240. Its totient is φ = 72756440064.

The previous prime is 115531043533. The next prime is 115531043543. The reversal of 115531043541 is 145340135511.

It is a happy number.

It is not a de Polignac number, because 115531043541 - 2³ = 115531043533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115531043543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35469985 + ... + 35473241.

It is an arithmetic number, because the mean of its divisors is an integer number (5081795820).

Almost surely, 2^115531043541 is an apocalyptic number.

It is an amenable number.

115531043541 is a deficient number, since it is larger than the sum of its proper divisors (47086422699).

115531043541 is a wasteful number, since it uses less digits than its factorization.

115531043541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 115531043541 in words is "one hundred fifteen billion, five hundred thirty-one million, forty-three thousand, five hundred forty-one".