11221677520 has 40 divisors (see below), whose sum is σ = 26096186880. Its totient is φ = 4487675520.

The previous prime is 11221677517. The next prime is 11221677539. The reversal of 11221677520 is 2577612211.

It is a tau number, because it is divible by the number of its divisors (40).

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, 424861 + ... + 450499.

It is an arithmetic number, because the mean of its divisors is an integer number (652404672).

Almost surely, 2^11221677520 is an apocalyptic number.

11221677520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221677520 is an abundant number, since it is smaller than the sum of its proper divisors (14874509360).

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

11221677520 is a wasteful number, since it uses less digits than its factorization.

11221677520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31123 (or 31117 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 11221677520 in words is "eleven billion, two hundred twenty-one million, six hundred seventy-seven thousand, five hundred twenty".