526552025161921 has 4 divisors (see below), whose sum is σ = 574420391085744. Its totient is φ = 478683659238100.

The previous prime is 526552025161913. The next prime is 526552025161961. The reversal of 526552025161921 is 129161520255625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 526552025161921 - 2³ = 526552025161913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526552025161961) 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, 23934182961895 + ... + 23934182961916.

It is an arithmetic number, because the mean of its divisors is an integer number (143605097771436).

Almost surely, 2^{526552025161921} is an apocalyptic number.

It is an amenable number.

526552025161921 is a deficient number, since it is larger than the sum of its proper divisors (47868365923823).

526552025161921 is a wasteful number, since it uses less digits than its factorization.

526552025161921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47868365923822.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 526552025161921 in words is "five hundred twenty-six trillion, five hundred fifty-two billion, twenty-five million, one hundred sixty-one thousand, nine hundred twenty-one".