10919208430550 has 48 divisors (see below), whose sum is σ = 23214187967712. Its totient is φ = 3743233344000.

The previous prime is 10919208430549. The next prime is 10919208430553. The reversal of 10919208430550 is 5503480291901.

It is a super-2 number, since 2×10919208430550² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10919208430495 and 10919208430504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10919208430553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 590750 + ... + 4710350.

It is an arithmetic number, because the mean of its divisors is an integer number (483628915994).

Almost surely, 2^{10919208430550} is an apocalyptic number.

10919208430550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10919208430550 is an abundant number, since it is smaller than the sum of its proper divisors (12294979537162).

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

10919208430550 is a wasteful number, since it uses less digits than its factorization.

10919208430550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127193 (or 4127188 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 10919208430550 in words is "ten trillion, nine hundred nineteen billion, two hundred eight million, four hundred thirty thousand, five hundred fifty".