542051005519 has 4 divisors (see below), whose sum is σ = 543221742496. Its totient is φ = 540880268544.

The previous prime is 542051005513. The next prime is 542051005523. The reversal of 542051005519 is 915500150245.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542051005519 - 2³³ = 533461070927 is a prime.

It is a super-2 number, since 2×542051005519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542051005513) 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, 585367794 + ... + 585368719.

It is an arithmetic number, because the mean of its divisors is an integer number (135805435624).

Almost surely, 2^542051005519 is an apocalyptic number.

542051005519 is a deficient number, since it is larger than the sum of its proper divisors (1170736977).

542051005519 is a wasteful number, since it uses less digits than its factorization.

542051005519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170736976.

The product of its (nonzero) digits is 45000, while the sum is 37.

It can be divided in two parts, 542051005 and 519, that added together give a square (542051524 = 23282²).

The spelling of 542051005519 in words is "five hundred forty-two billion, fifty-one million, five thousand, five hundred nineteen".