115243321401 has 32 divisors (see below), whose sum is σ = 184579557120. Its totient is φ = 70642962432.

The previous prime is 115243321379. The next prime is 115243321471. The reversal of 115243321401 is 104123342511.

115243321401 is a `hidden beast` number, since 1 + 15 + 2 + 433 + 214 + 0 + 1 = 666.

It is not a de Polignac number, because 115243321401 - 2⁶ = 115243321337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115243321471) 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, 548565 + ... + 728978.

It is an arithmetic number, because the mean of its divisors is an integer number (5768111160).

Almost surely, 2^115243321401 is an apocalyptic number.

It is an amenable number.

115243321401 is a deficient number, since it is larger than the sum of its proper divisors (69336235719).

115243321401 is a wasteful number, since it uses less digits than its factorization.

115243321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277822 (or 1277816 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 115243321401 its reverse (104123342511), we get a palindrome (219366663912).

The spelling of 115243321401 in words is "one hundred fifteen billion, two hundred forty-three million, three hundred twenty-one thousand, four hundred one".