11826997504 has 81 divisors (see below), whose sum is σ = 27490441251. Its totient is φ = 5063493120.

The previous prime is 11826997489. The next prime is 11826997547. The reversal of 11826997504 is 40579962811.

The square root of 11826997504 is 108752.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12179739 + ... + 12180709.

Almost surely, 2^11826997504 is an apocalyptic number.

11826997504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11826997504 is the 108752-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11826997504

11826997504 is an abundant number, since it is smaller than the sum of its proper divisors (15663443747).

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

11826997504 is an frugal number, since it uses more digits than its factorization.

11826997504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 11826997504 in words is "eleven billion, eight hundred twenty-six million, nine hundred ninety-seven thousand, five hundred four".