115343502540 has 384 divisors, whose sum is σ = 395635968000. Its totient is φ = 24522891264.

The previous prime is 115343502497. The next prime is 115343502563. The reversal of 115343502540 is 45205343511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 226607806 + ... + 226608314.

It is an arithmetic number, because the mean of its divisors is an integer number (1030302000).

Almost surely, 2^115343502540 is an apocalyptic number.

115343502540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115343502540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197817984000).

115343502540 is an abundant number, since it is smaller than the sum of its proper divisors (280292465460).

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

115343502540 is a wasteful number, since it uses less digits than its factorization.

115343502540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 115343502540 in words is "one hundred fifteen billion, three hundred forty-three million, five hundred two thousand, five hundred forty".