115479172541 has 2 divisors, whose sum is σ = 115479172542. Its totient is φ = 115479172540.

The previous prime is 115479172481. The next prime is 115479172609. The reversal of 115479172541 is 145271974511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111803296900 + 3675875641 = 334370^2 + 60629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115479172541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115479175541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57739586270 + 57739586271.

It is an arithmetic number, because the mean of its divisors is an integer number (57739586271).

Almost surely, 2^115479172541 is an apocalyptic number.

It is an amenable number.

115479172541 is a deficient number, since it is larger than the sum of its proper divisors (1).

115479172541 is an equidigital number, since it uses as much as digits as its factorization.

115479172541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 47.

The spelling of 115479172541 in words is "one hundred fifteen billion, four hundred seventy-nine million, one hundred seventy-two thousand, five hundred forty-one".