89265736231521 has 4 divisors (see below), whose sum is σ = 119020981642032. Its totient is φ = 59510490821012.

The previous prime is 89265736231439. The next prime is 89265736231523. The reversal of 89265736231521 is 12513263756298.

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 89265736231521 - 2¹⁵ = 89265736198753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89265736231523) 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, 14877622705251 + ... + 14877622705256.

It is an arithmetic number, because the mean of its divisors is an integer number (29755245410508).

Almost surely, 2^{89265736231521} is an apocalyptic number.

It is an amenable number.

89265736231521 is a deficient number, since it is larger than the sum of its proper divisors (29755245410511).

89265736231521 is a wasteful number, since it uses less digits than its factorization.

89265736231521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29755245410510.

The product of its digits is 32659200, while the sum is 60.

The spelling of 89265736231521 in words is "eighty-nine trillion, two hundred sixty-five billion, seven hundred thirty-six million, two hundred thirty-one thousand, five hundred twenty-one".