11213722600 has 24 divisors (see below), whose sum is σ = 26071905510. Its totient is φ = 4485488960.

The previous prime is 11213722573. The next prime is 11213722603. The reversal of 11213722600 is 622731211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10486988836 + 726733764 = 102406^2 + 26958^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11213722603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28034107 + ... + 28034506.

Almost surely, 2^11213722600 is an apocalyptic number.

11213722600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11213722600 is an abundant number, since it is smaller than the sum of its proper divisors (14858182910).

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

11213722600 is a wasteful number, since it uses less digits than its factorization.

11213722600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56068629 (or 56068620 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 11213722600 in words is "eleven billion, two hundred thirteen million, seven hundred twenty-two thousand, six hundred".