11453605320 has 128 divisors (see below), whose sum is σ = 36044144640. Its totient is φ = 2906069760.

The previous prime is 11453605301. The next prime is 11453605349. The reversal of 11453605320 is 2350635411.

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

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, 516297 + ... + 538023.

It is an arithmetic number, because the mean of its divisors is an integer number (281594880).

Almost surely, 2^11453605320 is an apocalyptic number.

11453605320 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 11453605320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18022072320).

11453605320 is an abundant number, since it is smaller than the sum of its proper divisors (24590539320).

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

11453605320 is a wasteful number, since it uses less digits than its factorization.

11453605320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21955 (or 21951 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 11453605320 in words is "eleven billion, four hundred fifty-three million, six hundred five thousand, three hundred twenty".