10919555142 has 16 divisors (see below), whose sum is σ = 21845683200. Its totient is φ = 3638756232.

The previous prime is 10919555137. The next prime is 10919555191. The reversal of 10919555142 is 24155591901.

It is a junction number, because it is equal to n+sod(n) for n = 10919555094 and 10919555103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252142 + ... + 292257.

It is an arithmetic number, because the mean of its divisors is an integer number (1365355200).

Almost surely, 2^10919555142 is an apocalyptic number.

10919555142 is an abundant number, since it is smaller than the sum of its proper divisors (10926128058).

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

10919555142 is a wasteful number, since it uses less digits than its factorization.

10919555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547747.

The product of its (nonzero) digits is 81000, while the sum is 42.

The spelling of 10919555142 in words is "ten billion, nine hundred nineteen million, five hundred fifty-five thousand, one hundred forty-two".