522142512755554 has 4 divisors (see below), whose sum is σ = 783213769133334. Its totient is φ = 261071256377776.

The previous prime is 522142512755533. The next prime is 522142512755629. The reversal of 522142512755554 is 455557215241225.

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

It can be written as a sum of positive squares in only one way, i.e., 361290948599025 + 160851564156529 = 19007655^2 + 12682727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 522142512755495 and 522142512755504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130535628188887 + ... + 130535628188890.

Almost surely, 2^{522142512755554} is an apocalyptic number.

522142512755554 is a deficient number, since it is larger than the sum of its proper divisors (261071256377780).

522142512755554 is a wasteful number, since it uses less digits than its factorization.

522142512755554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261071256377779.

The product of its digits is 28000000, while the sum is 55.

Adding to 522142512755554 its reverse (455557215241225), we get a palindrome (977699727996779).

The spelling of 522142512755554 in words is "five hundred twenty-two trillion, one hundred forty-two billion, five hundred twelve million, seven hundred fifty-five thousand, five hundred fifty-four".