115515464340 has 24 divisors (see below), whose sum is σ = 323443300320. Its totient is φ = 30804123808.

The previous prime is 115515464303. The next prime is 115515464347. The reversal of 115515464340 is 43464515511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115515464347) 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, 962628810 + ... + 962628929.

It is an arithmetic number, because the mean of its divisors is an integer number (13476804180).

Almost surely, 2^115515464340 is an apocalyptic number.

115515464340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115515464340 is an abundant number, since it is smaller than the sum of its proper divisors (207927835980).

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

115515464340 is a wasteful number, since it uses less digits than its factorization.

115515464340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925257751 (or 1925257749 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 115515464340 its reverse (43464515511), we get a palindrome (158979979851).

The spelling of 115515464340 in words is "one hundred fifteen billion, five hundred fifteen million, four hundred sixty-four thousand, three hundred forty".