11591460140 has 48 divisors (see below), whose sum is σ = 26853936480. Its totient is φ = 4175531520.

The previous prime is 11591460091. The next prime is 11591460151. The reversal of 11591460140 is 4106419511.

It is a junction number, because it is equal to n+sod(n) for n = 11591460097 and 11591460106.

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, 533030 + ... + 554349.

It is an arithmetic number, because the mean of its divisors is an integer number (559457010).

Almost surely, 2^11591460140 is an apocalyptic number.

11591460140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11591460140 is an abundant number, since it is smaller than the sum of its proper divisors (15262476340).

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

11591460140 is a wasteful number, since it uses less digits than its factorization.

11591460140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087442 (or 1087440 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 11591460140 its reverse (4106419511), we get a palindrome (15697879651).

The spelling of 11591460140 in words is "eleven billion, five hundred ninety-one million, four hundred sixty thousand, one hundred forty".