11126526380 has 24 divisors (see below), whose sum is σ = 23806570032. Its totient is φ = 4366636352.

The previous prime is 11126526371. The next prime is 11126526419. The reversal of 11126526380 is 8362562111.

It is a self number, because there is not a number n which added to its sum of digits gives 11126526380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247302 + ... + 5249421.

It is an arithmetic number, because the mean of its divisors is an integer number (991940418).

Almost surely, 2^11126526380 is an apocalyptic number.

11126526380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11126526380 is an abundant number, since it is smaller than the sum of its proper divisors (12680043652).

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

11126526380 is a wasteful number, since it uses less digits than its factorization.

11126526380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496785 (or 10496783 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 11126526380 in words is "eleven billion, one hundred twenty-six million, five hundred twenty-six thousand, three hundred eighty".