115355145442040 has 32 divisors (see below), whose sum is σ = 296627516851680. Its totient is φ = 39550335580032.

The previous prime is 115355145442039. The next prime is 115355145442051. The reversal of 115355145442040 is 40244541553511.

It is a junction number, because it is equal to n+sod(n) for n = 115355145441982 and 115355145442000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205991330867 + ... + 205991331426.

It is an arithmetic number, because the mean of its divisors is an integer number (9269609901615).

Almost surely, 2^{115355145442040} is an apocalyptic number.

115355145442040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115355145442040 is an abundant number, since it is smaller than the sum of its proper divisors (181272371409640).

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

115355145442040 is a wasteful number, since it uses less digits than its factorization.

115355145442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411982662311 (or 411982662307 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 115355145442040 its reverse (40244541553511), we get a palindrome (155599686995551).

The spelling of 115355145442040 in words is "one hundred fifteen trillion, three hundred fifty-five billion, one hundred forty-five million, four hundred forty-two thousand, forty".