118641581370 has 48 divisors (see below), whose sum is σ = 332196431112. Its totient is φ = 29204081280.

The previous prime is 118641581353. The next prime is 118641581381. The reversal of 118641581370 is 73185146811.

118641581370 is a `hidden beast` number, since 1 + 1 + 8 + 64 + 1 + 581 + 3 + 7 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65870762409 + 52770818961 = 256653^2 + 229719^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50700361 + ... + 50702700.

Almost surely, 2^118641581370 is an apocalyptic number.

118641581370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118641581370 is an abundant number, since it is smaller than the sum of its proper divisors (213554849742).

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

118641581370 is a wasteful number, since it uses less digits than its factorization.

118641581370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101403087 (or 101403084 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 118641581370 in words is "one hundred eighteen billion, six hundred forty-one million, five hundred eighty-one thousand, three hundred seventy".