11045251290 has 32 divisors (see below), whose sum is σ = 26781894720. Its totient is φ = 2915034624.

The previous prime is 11045251289. The next prime is 11045251297. The reversal of 11045251290 is 9215254011.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (11045251297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894900 + ... + 1900719.

It is an arithmetic number, because the mean of its divisors is an integer number (836934210).

Almost surely, 2^11045251290 is an apocalyptic number.

11045251290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11045251290 is an abundant number, since it is smaller than the sum of its proper divisors (15736643430).

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

11045251290 is a wasteful number, since it uses less digits than its factorization.

11045251290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795726.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 11045251290 in words is "eleven billion, forty-five million, two hundred fifty-one thousand, two hundred ninety".