11291801140 has 96 divisors (see below), whose sum is σ = 24514560000. Its totient is φ = 4367260800.

The previous prime is 11291801117. The next prime is 11291801153. The reversal of 11291801140 is 4110819211.

It is a junction number, because it is equal to n+sod(n) for n = 11291801099 and 11291801108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22628611 + ... + 22629109.

It is an arithmetic number, because the mean of its divisors is an integer number (255360000).

Almost surely, 2^11291801140 is an apocalyptic number.

11291801140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11291801140 is an abundant number, since it is smaller than the sum of its proper divisors (13222758860).

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

11291801140 is a wasteful number, since it uses less digits than its factorization.

11291801140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 11291801140 in words is "eleven billion, two hundred ninety-one million, eight hundred one thousand, one hundred forty".