11032657920 has 544 divisors, whose sum is σ = 41523292800. Its totient is φ = 2774532096.

The previous prime is 11032657919. The next prime is 11032657957. The reversal of 11032657920 is 2975623011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256573419 + ... + 256573461.

Almost surely, 2^11032657920 is an apocalyptic number.

11032657920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11032657920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20761646400).

11032657920 is an abundant number, since it is smaller than the sum of its proper divisors (30490634880).

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

11032657920 is an frugal number, since it uses more digits than its factorization.

11032657920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 11032657920 in words is "eleven billion, thirty-two million, six hundred fifty-seven thousand, nine hundred twenty".