117581377370 has 16 divisors (see below), whose sum is σ = 224096272488. Its totient is φ = 44265930240.

The previous prime is 117581377369. The next prime is 117581377379. The reversal of 117581377370 is 73773185711.

It can be written as a sum of positive squares in 4 ways, for example, as 97993415521 + 19587961849 = 313039^2 + 139957^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117581377379) 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, 345827411 + ... + 345827750.

Almost surely, 2^117581377370 is an apocalyptic number.

117581377370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117581377370 is a deficient number, since it is larger than the sum of its proper divisors (106514895118).

117581377370 is a wasteful number, since it uses less digits than its factorization.

117581377370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691655185.

The product of its (nonzero) digits is 864360, while the sum is 50.

The spelling of 117581377370 in words is "one hundred seventeen billion, five hundred eighty-one million, three hundred seventy-seven thousand, three hundred seventy".