115154441205540 has 144 divisors (see below), whose sum is σ = 356245527289344. Its totient is φ = 27771584163840.

The previous prime is 115154441205527. The next prime is 115154441205563. The reversal of 115154441205540 is 45502144451511.

It is a junction number, because it is equal to n+sod(n) for n = 115154441205492 and 115154441205501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39690772 + ... + 42493131.

Almost surely, 2^{115154441205540} is an apocalyptic number.

115154441205540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115154441205540 is an abundant number, since it is smaller than the sum of its proper divisors (241091086083804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115154441205540 is a wasteful number, since it uses less digits than its factorization.

115154441205540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82184130 (or 82184117 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 42.

The spelling of 115154441205540 in words is "one hundred fifteen trillion, one hundred fifty-four billion, four hundred forty-one million, two hundred five thousand, five hundred forty".