11229512390 has 16 divisors (see below), whose sum is σ = 20456655408. Its totient is φ = 4437686496.

The previous prime is 11229512381. The next prime is 11229512407. The reversal of 11229512390 is 9321592211.

It is a super-2 number, since 2×11229512390² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11229512390.

It is a congruent number.

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, 6763937 + ... + 6765596.

It is an arithmetic number, because the mean of its divisors is an integer number (1278540963).

Almost surely, 2^11229512390 is an apocalyptic number.

11229512390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11229512390 is a deficient number, since it is larger than the sum of its proper divisors (9227143018).

11229512390 is a wasteful number, since it uses less digits than its factorization.

11229512390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529623.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 11229512390 in words is "eleven billion, two hundred twenty-nine million, five hundred twelve thousand, three hundred ninety".