11504551630 has 48 divisors (see below), whose sum is σ = 24462219024. Its totient is φ = 3861661440.

The previous prime is 11504551613. The next prime is 11504551651. The reversal of 11504551630 is 3615540511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11504551592 and 11504551601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290839 + ... + 328018.

It is an arithmetic number, because the mean of its divisors is an integer number (509629563).

Almost surely, 2^11504551630 is an apocalyptic number.

11504551630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11504551630 is an abundant number, since it is smaller than the sum of its proper divisors (12957667394).

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

11504551630 is a wasteful number, since it uses less digits than its factorization.

11504551630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618901 (or 618888 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 11504551630 in words is "eleven billion, five hundred four million, five hundred fifty-one thousand, six hundred thirty".