115231013545401 has 48 divisors (see below), whose sum is σ = 182196768247312. Its totient is φ = 69745071513600.

The previous prime is 115231013545399. The next prime is 115231013545409. The reversal of 115231013545401 is 104545310132511.

115231013545401 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 3 + 101 + 3 + 5 + 4 + 540 + 1 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 74922787082025 + 40308226463376 = 8655795^2 + 6348876^2 .

It is not a de Polignac number, because 115231013545401 - 2¹ = 115231013545399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115231013545409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131977641 + ... + 132847881.

Almost surely, 2^{115231013545401} is an apocalyptic number.

It is an amenable number.

115231013545401 is a deficient number, since it is larger than the sum of its proper divisors (66965754701911).

115231013545401 is a wasteful number, since it uses less digits than its factorization.

115231013545401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888874 (or 888871 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 115231013545401 its reverse (104545310132511), we get a palindrome (219776323677912).

The spelling of 115231013545401 in words is "one hundred fifteen trillion, two hundred thirty-one billion, thirteen million, five hundred forty-five thousand, four hundred one".