118072555 has 8 divisors (see below), whose sum is σ = 149144400. Its totient is φ = 89486496.

The previous prime is 118072553. The next prime is 118072561. The reversal of 118072555 is 555270811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118072555 - 2¹ = 118072553 is a prime.

It is a super-2 number, since 2×118072555² = 27882256488456050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118072555.

It is not an unprimeable number, because it can be changed into a prime (118072553) 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, 621340 + ... + 621529.

It is an arithmetic number, because the mean of its divisors is an integer number (18643050).

Almost surely, 2^118072555 is an apocalyptic number.

118072555 is a deficient number, since it is larger than the sum of its proper divisors (31071845).

118072555 is a wasteful number, since it uses less digits than its factorization.

118072555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242893.

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 118072555 is about 10866.1195925685. The cubic root of 118072555 is about 490.5873215686.

The spelling of 118072555 in words is "one hundred eighteen million, seventy-two thousand, five hundred fifty-five".