11402287512 has 256 divisors, whose sum is σ = 37057305600. Its totient is φ = 2836807680.

The previous prime is 11402287499. The next prime is 11402287517. The reversal of 11402287512 is 21578220411.

It is a super-2 number, since 2×11402287512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402287517) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7341328 + ... + 7342880.

It is an arithmetic number, because the mean of its divisors is an integer number (144755100).

Almost surely, 2^11402287512 is an apocalyptic number.

11402287512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11402287512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18528652800).

11402287512 is an abundant number, since it is smaller than the sum of its proper divisors (25655018088).

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

11402287512 is a wasteful number, since it uses less digits than its factorization.

11402287512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 11402287512 in words is "eleven billion, four hundred two million, two hundred eighty-seven thousand, five hundred twelve".