115131553471540 has 24 divisors (see below), whose sum is σ = 241799706557640. Its totient is φ = 46048155813888.

The previous prime is 115131553471471. The next prime is 115131553471541. The reversal of 115131553471540 is 45174355131511.

115131553471540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13045344843556 + 102086208627984 = 3611834^2 + 10103772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115131553471541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278887005 + ... + 279299524.

It is an arithmetic number, because the mean of its divisors is an integer number (10074987773235).

Almost surely, 2^{115131553471540} is an apocalyptic number.

115131553471540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115131553471540 is an abundant number, since it is smaller than the sum of its proper divisors (126668153086100).

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

115131553471540 is a wasteful number, since it uses less digits than its factorization.

115131553471540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558196851 (or 558196849 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 115131553471540 in words is "one hundred fifteen trillion, one hundred thirty-one billion, five hundred fifty-three million, four hundred seventy-one thousand, five hundred forty".