525152881279 has 4 divisors (see below), whose sum is σ = 565549256776. Its totient is φ = 484756505784.

The previous prime is 525152881277. The next prime is 525152881373. The reversal of 525152881279 is 972188251525.

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 525152881279 - 2¹ = 525152881277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525152881277) 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, 20198187729 + ... + 20198187754.

It is an arithmetic number, because the mean of its divisors is an integer number (141387314194).

Almost surely, 2^525152881279 is an apocalyptic number.

525152881279 is a deficient number, since it is larger than the sum of its proper divisors (40396375497).

525152881279 is a wasteful number, since it uses less digits than its factorization.

525152881279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40396375496.

The product of its digits is 4032000, while the sum is 55.

The spelling of 525152881279 in words is "five hundred twenty-five billion, one hundred fifty-two million, eight hundred eighty-one thousand, two hundred seventy-nine".