115444121151231 has 24 divisors (see below), whose sum is σ = 171076098226176. Its totient is φ = 74976642069840.

The previous prime is 115444121151181. The next prime is 115444121151259. The reversal of 115444121151231 is 132151121444511.

115444121151231 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 4 + 412 + 1 + 1 + 5 + 1 + 231 = 666.

It is not a de Polignac number, because 115444121151231 - 2²³ = 115444112762623 is a prime.

It is a super-2 number, since 2×115444121151231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115444121150231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389284185 + ... + 389580626.

It is an arithmetic number, because the mean of its divisors is an integer number (7128170759424).

Almost surely, 2^{115444121151231} is an apocalyptic number.

115444121151231 is a deficient number, since it is larger than the sum of its proper divisors (55631977074945).

115444121151231 is a wasteful number, since it uses less digits than its factorization.

115444121151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778865243 (or 778865240 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

Adding to 115444121151231 its reverse (132151121444511), we get a palindrome (247595242595742).

The spelling of 115444121151231 in words is "one hundred fifteen trillion, four hundred forty-four billion, one hundred twenty-one million, one hundred fifty-one thousand, two hundred thirty-one".