19925010055 has 64 divisors (see below), whose sum is σ = 27179421696. Its totient is φ = 13939200000.

The previous prime is 19925010047. The next prime is 19925010071. The reversal of 19925010055 is 55001052991.

It is not a de Polignac number, because 19925010055 - 2³ = 19925010047 is a prime.

It is a super-2 number, since 2×19925010055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19925009996 and 19925010023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26530930 + ... + 26531680.

It is an arithmetic number, because the mean of its divisors is an integer number (424678464).

Almost surely, 2^19925010055 is an apocalyptic number.

19925010055 is a deficient number, since it is larger than the sum of its proper divisors (7254411641).

19925010055 is a wasteful number, since it uses less digits than its factorization.

19925010055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its (nonzero) digits is 20250, while the sum is 37.

The spelling of 19925010055 in words is "nineteen billion, nine hundred twenty-five million, ten thousand, fifty-five".