10919555140 has 48 divisors (see below), whose sum is σ = 24731138880. Its totient is φ = 4025934720.

The previous prime is 10919555137. The next prime is 10919555191. The reversal of 10919555140 is 4155591901.

It is a junction number, because it is equal to n+sod(n) for n = 10919555093 and 10919555102.

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, 149271 + ... + 210049.

It is an arithmetic number, because the mean of its divisors is an integer number (515232060).

Almost surely, 2^10919555140 is an apocalyptic number.

10919555140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10919555140 is an abundant number, since it is smaller than the sum of its proper divisors (13811583740).

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

10919555140 is a wasteful number, since it uses less digits than its factorization.

10919555140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61492 (or 61490 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 40.

The spelling of 10919555140 in words is "ten billion, nine hundred nineteen million, five hundred fifty-five thousand, one hundred forty".