11125455640 has 64 divisors (see below), whose sum is σ = 26973324000. Its totient is φ = 4105500672.

The previous prime is 11125455569. The next prime is 11125455641. The reversal of 11125455640 is 4655452111.

It is a junction number, because it is equal to n+sod(n) for n = 11125455596 and 11125455605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125455641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086384 + ... + 1096576.

Almost surely, 2^11125455640 is an apocalyptic number.

11125455640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11125455640 is an abundant number, since it is smaller than the sum of its proper divisors (15847868360).

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

11125455640 is a wasteful number, since it uses less digits than its factorization.

11125455640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316 (or 12312 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 11125455640 in words is "eleven billion, one hundred twenty-five million, four hundred fifty-five thousand, six hundred forty".