11192909463640 has 32 divisors (see below), whose sum is σ = 25184484990000. Its totient is φ = 4477085794944.

The previous prime is 11192909463623. The next prime is 11192909463649. The reversal of 11192909463640 is 4636490929111.

It is a super-4 number, since 4×11192909463640⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11192909463649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84195 + ... + 4732114.

Almost surely, 2^{11192909463640} is an apocalyptic number.

11192909463640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11192909463640 is an abundant number, since it is smaller than the sum of its proper divisors (13991575526360).

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

11192909463640 is a wasteful number, since it uses less digits than its factorization.

11192909463640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874419 (or 4874415 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 11192909463640 in words is "eleven trillion, one hundred ninety-two billion, nine hundred nine million, four hundred sixty-three thousand, six hundred forty".