115154044431 has 8 divisors (see below), whose sum is σ = 153540330240. Its totient is φ = 76768560792.

The previous prime is 115154044429. The next prime is 115154044487. The reversal of 115154044431 is 134440451511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115154044431 - 2¹ = 115154044429 is a prime.

It is a super-2 number, since 2×115154044431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115154044392 and 115154044401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115154044531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351546 + ... + 594888.

It is an arithmetic number, because the mean of its divisors is an integer number (19192541280).

Almost surely, 2^115154044431 is an apocalyptic number.

115154044431 is a deficient number, since it is larger than the sum of its proper divisors (38386285809).

115154044431 is a wasteful number, since it uses less digits than its factorization.

115154044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401085.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 115154044431 its reverse (134440451511), we get a palindrome (249594495942).

The spelling of 115154044431 in words is "one hundred fifteen billion, one hundred fifty-four million, forty-four thousand, four hundred thirty-one".