115140566420 has 192 divisors, whose sum is σ = 278287736832. Its totient is φ = 39635520000.

The previous prime is 115140566419. The next prime is 115140566423. The reversal of 115140566420 is 24665041511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115140566423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60567470 + ... + 60569370.

It is an arithmetic number, because the mean of its divisors is an integer number (1449415296).

Almost surely, 2^115140566420 is an apocalyptic number.

115140566420 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 115140566420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139143868416).

115140566420 is an abundant number, since it is smaller than the sum of its proper divisors (163147170412).

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

115140566420 is a wasteful number, since it uses less digits than its factorization.

115140566420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 115140566420 in words is "one hundred fifteen billion, one hundred forty million, five hundred sixty-six thousand, four hundred twenty".