11872031090 has 16 divisors (see below), whose sum is σ = 22626694872. Its totient is φ = 4469470464.

The previous prime is 11872031071. The next prime is 11872031131. The reversal of 11872031090 is 9013027811.

It can be written as a sum of positive squares in 4 ways, for example, as 7117790689 + 4754240401 = 84367^2 + 68951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34917569 + ... + 34917908.

Almost surely, 2^11872031090 is an apocalyptic number.

11872031090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11872031090 is a deficient number, since it is larger than the sum of its proper divisors (10754663782).

11872031090 is a wasteful number, since it uses less digits than its factorization.

11872031090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69835501.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 11872031090 in words is "eleven billion, eight hundred seventy-two million, thirty-one thousand, ninety".