542215146625 has 32 divisors (see below), whose sum is σ = 717263333280. Its totient is φ = 407815168000.

The previous prime is 542215146619. The next prime is 542215146637. The reversal of 542215146625 is 526641512245.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 439855462656 + 102359683969 = 663216^2 + 319937^2 .

It is not a de Polignac number, because 542215146625 - 2¹⁷ = 542215015553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1836795 + ... + 2111455.

It is an arithmetic number, because the mean of its divisors is an integer number (22414479165).

Almost surely, 2^542215146625 is an apocalyptic number.

It is an amenable number.

542215146625 is a deficient number, since it is larger than the sum of its proper divisors (175048186655).

542215146625 is a wasteful number, since it uses less digits than its factorization.

542215146625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275622 (or 275612 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 542215146625 in words is "five hundred forty-two billion, two hundred fifteen million, one hundred forty-six thousand, six hundred twenty-five".