115345124021440 has 56 divisors (see below), whose sum is σ = 281364737012352. Its totient is φ = 45012731320320.

The previous prime is 115345124021429. The next prime is 115345124021447. The reversal of 115345124021440 is 44120421543511.

It is a self number, because there is not a number n which added to its sum of digits gives 115345124021440.

It is not an unprimeable number, because it can be changed into a prime (115345124021447) 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, 4395761424 + ... + 4395787663.

It is an arithmetic number, because the mean of its divisors is an integer number (5024370303792).

Almost surely, 2^{115345124021440} is an apocalyptic number.

115345124021440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115345124021440 is an abundant number, since it is smaller than the sum of its proper divisors (166019612990912).

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

115345124021440 is an equidigital number, since it uses as much as digits as its factorization.

115345124021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791549145 (or 8791549135 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 115345124021440 its reverse (44120421543511), we get a palindrome (159465545564951).

The spelling of 115345124021440 in words is "one hundred fifteen trillion, three hundred forty-five billion, one hundred twenty-four million, twenty-one thousand, four hundred forty".