11252609880 has 64 divisors (see below), whose sum is σ = 33789108960. Its totient is φ = 2997915648.

The previous prime is 11252609833. The next prime is 11252609897. The reversal of 11252609880 is 8890625211.

It is a happy number.

It is a super-2 number, since 2×11252609880² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 88264 + ... + 174056.

Almost surely, 2^11252609880 is an apocalyptic number.

11252609880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11252609880 is an abundant number, since it is smaller than the sum of its proper divisors (22536499080).

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

11252609880 is a wasteful number, since it uses less digits than its factorization.

11252609880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86900 (or 86896 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 11252609880 in words is "eleven billion, two hundred fifty-two million, six hundred nine thousand, eight hundred eighty".