11622553040 has 120 divisors (see below), whose sum is σ = 31494046752. Its totient is φ = 3977299200.

The previous prime is 11622553021. The next prime is 11622553087. The reversal of 11622553040 is 4035522611.

It is a super-2 number, since 2×11622553040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11622552994 and 11622553012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2298515 + ... + 2303565.

Almost surely, 2^11622553040 is an apocalyptic number.

11622553040 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 11622553040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15747023376).

11622553040 is an abundant number, since it is smaller than the sum of its proper divisors (19871493712).

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

11622553040 is a wasteful number, since it uses less digits than its factorization.

11622553040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 11622553040 in words is "eleven billion, six hundred twenty-two million, five hundred fifty-three thousand, forty".