542151045405 has 24 divisors (see below), whose sum is σ = 995006625912. Its totient is φ = 272138563584.

The previous prime is 542151045391. The next prime is 542151045427. The reversal of 542151045405 is 504540151245.

542151045405 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 5 + 104 + 540 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 250997994009 + 291153051396 = 500997^2 + 539586^2 .

It is not a de Polignac number, because 542151045405 - 2¹⁸ = 542150783261 is a prime.

It is a super-2 number, since 2×542151045405² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542151045405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354346324 + ... + 354347853.

It is an arithmetic number, because the mean of its divisors is an integer number (41458609413).

Almost surely, 2^542151045405 is an apocalyptic number.

It is an amenable number.

542151045405 is a deficient number, since it is larger than the sum of its proper divisors (452855580507).

542151045405 is a wasteful number, since it uses less digits than its factorization.

542151045405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708694205 (or 708694202 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 542151045405 in words is "five hundred forty-two billion, one hundred fifty-one million, forty-five thousand, four hundred five".