115140143250 has 384 divisors, whose sum is σ = 360502990848. Its totient is φ = 27256824000.

The previous prime is 115140143219. The next prime is 115140143269. The reversal of 115140143250 is 52341041511.

115140143250 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 401 + 4 + 3 + 250 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28732747 + ... + 28736753.

It is an arithmetic number, because the mean of its divisors is an integer number (938809872).

Almost surely, 2^115140143250 is an apocalyptic number.

115140143250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115140143250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180251495424).

115140143250 is an abundant number, since it is smaller than the sum of its proper divisors (245362847598).

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

115140143250 is a wasteful number, since it uses less digits than its factorization.

115140143250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115140143250 its reverse (52341041511), we get a palindrome (167481184761).

The spelling of 115140143250 in words is "one hundred fifteen billion, one hundred forty million, one hundred forty-three thousand, two hundred fifty".