118002487155 has 16 divisors (see below), whose sum is σ = 215775976704. Its totient is φ = 53943994080.

The previous prime is 118002487111. The next prime is 118002487201. The reversal of 118002487155 is 551784200811.

It is not a de Polignac number, because 118002487155 - 2⁹ = 118002486643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561916501 + ... + 561916710.

It is an arithmetic number, because the mean of its divisors is an integer number (13485998544).

Almost surely, 2^118002487155 is an apocalyptic number.

118002487155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118002487155 is a deficient number, since it is larger than the sum of its proper divisors (97773489549).

118002487155 is a wasteful number, since it uses less digits than its factorization.

118002487155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123833226.

The product of its (nonzero) digits is 89600, while the sum is 42.

Adding to 118002487155 its reverse (551784200811), we get a palindrome (669786687966).

The spelling of 118002487155 in words is "one hundred eighteen billion, two million, four hundred eighty-seven thousand, one hundred fifty-five".