19212502055 has 8 divisors (see below), whose sum is σ = 23070578544. Its totient is φ = 15359617600.

The previous prime is 19212502037. The next prime is 19212502069. The reversal of 19212502055 is 55020521291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19212502055 - 2⁶ = 19212501991 is a prime.

It is a Duffinian number.

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, 1289861 + ... + 1304670.

It is an arithmetic number, because the mean of its divisors is an integer number (2883822318).

Almost surely, 2^19212502055 is an apocalyptic number.

19212502055 is a deficient number, since it is larger than the sum of its proper divisors (3858076489).

19212502055 is a wasteful number, since it uses less digits than its factorization.

19212502055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596017.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 19212502055 in words is "nineteen billion, two hundred twelve million, five hundred two thousand, fifty-five".