11780622630 has 288 divisors, whose sum is σ = 38157350400. Its totient is φ = 2506702464.

The previous prime is 11780622629. The next prime is 11780622661. The reversal of 11780622630 is 3622608711.

11780622630 is a `hidden beast` number, since 1 + 17 + 8 + 0 + 6 + 2 + 2 + 630 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4942419 + ... + 4944801.

It is an arithmetic number, because the mean of its divisors is an integer number (132490800).

Almost surely, 2^11780622630 is an apocalyptic number.

11780622630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11780622630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19078675200).

11780622630 is an abundant number, since it is smaller than the sum of its proper divisors (26376727770).

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

11780622630 is a wasteful number, since it uses less digits than its factorization.

11780622630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 11780622630 in words is "eleven billion, seven hundred eighty million, six hundred twenty-two thousand, six hundred thirty".