525553521199999 has 4 divisors (see below), whose sum is σ = 526448842361064. Its totient is φ = 524658200038936.

The previous prime is 525553521199991. The next prime is 525553521200011. The reversal of 525553521199999 is 999991125355525.

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 525553521199999 - 2³ = 525553521199991 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 (525553521199991) 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, 447660579652 + ... + 447660580825.

It is an arithmetic number, because the mean of its divisors is an integer number (131612210590266).

Almost surely, 2^{525553521199999} is an apocalyptic number.

525553521199999 is a deficient number, since it is larger than the sum of its proper divisors (895321161065).

525553521199999 is an equidigital number, since it uses as much as digits as its factorization.

525553521199999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895321161064.

The product of its digits is 2214337500, while the sum is 79.

The spelling of 525553521199999 in words is "five hundred twenty-five trillion, five hundred fifty-three billion, five hundred twenty-one million, one hundred ninety-nine thousand, nine hundred ninety-nine".