11241449890 has 32 divisors (see below), whose sum is σ = 22670725824. Its totient is φ = 3977317440.

The previous prime is 11241449861. The next prime is 11241449897. The reversal of 11241449890 is 9894414211.

It is not an unprimeable number, because it can be changed into a prime (11241449897) 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, 1376944 + ... + 1385083.

It is an arithmetic number, because the mean of its divisors is an integer number (708460182).

Almost surely, 2^11241449890 is an apocalyptic number.

11241449890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11241449890 is an abundant number, since it is smaller than the sum of its proper divisors (11429275934).

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

11241449890 is a wasteful number, since it uses less digits than its factorization.

11241449890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762082.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 11241449890 in words is "eleven billion, two hundred forty-one million, four hundred forty-nine thousand, eight hundred ninety".