19055555542 has 8 divisors (see below), whose sum is σ = 28585784376. Its totient is φ = 9526960752.

The previous prime is 19055555507. The next prime is 19055555543. The reversal of 19055555542 is 24555555091.

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

It is a super-2 number, since 2×19055555542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19055555492 and 19055555501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19055555543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378928 + ... + 426259.

It is an arithmetic number, because the mean of its divisors is an integer number (3573223047).

Almost surely, 2^19055555542 is an apocalyptic number.

19055555542 is a deficient number, since it is larger than the sum of its proper divisors (9530228834).

19055555542 is a wasteful number, since it uses less digits than its factorization.

19055555542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817022.

The product of its (nonzero) digits is 1125000, while the sum is 46.

The spelling of 19055555542 in words is "nineteen billion, fifty-five million, five hundred fifty-five thousand, five hundred forty-two".