1180515090 has 16 divisors (see below), whose sum is σ = 2833236288. Its totient is φ = 314804016.

The previous prime is 1180515041. The next prime is 1180515097. The reversal of 1180515090 is 905150811.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 39350503 = 1180515090 / (1 + 1 + 8 + 0 + 5 + 1 + 5 + 0 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (1180515097) 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, 19675222 + ... + 19675281.

It is an arithmetic number, because the mean of its divisors is an integer number (177077268).

Almost surely, 2^1180515090 is an apocalyptic number.

1180515090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1180515090 is an abundant number, since it is smaller than the sum of its proper divisors (1652721198).

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

1180515090 is a wasteful number, since it uses less digits than its factorization.

1180515090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39350513.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 1180515090 is about 34358.6246814392. The cubic root of 1180515090 is about 1056.8755418842.

The spelling of 1180515090 in words is "one billion, one hundred eighty million, five hundred fifteen thousand, ninety".