11404821252 has 48 divisors (see below), whose sum is σ = 29738528064. Its totient is φ = 3371712000.

The previous prime is 11404821247. The next prime is 11404821283. The reversal of 11404821252 is 25212840411.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048249 + ... + 1059072.

It is an arithmetic number, because the mean of its divisors is an integer number (619552668).

Almost surely, 2^11404821252 is an apocalyptic number.

11404821252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11404821252 is an abundant number, since it is smaller than the sum of its proper divisors (18333706812).

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

11404821252 is a wasteful number, since it uses less digits than its factorization.

11404821252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107380 (or 2107378 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 11404821252 in words is "eleven billion, four hundred four million, eight hundred twenty-one thousand, two hundred fifty-two".