8126265220537 has 4 divisors (see below), whose sum is σ = 8168811111936. Its totient is φ = 8083719329140.

The previous prime is 8126265220531. The next prime is 8126265220547. The reversal of 8126265220537 is 7350225626218.

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 a de Polignac number, because none of the positive numbers 2^k-8126265220537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8126265220531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21272945413 + ... + 21272945794.

It is an arithmetic number, because the mean of its divisors is an integer number (2042202777984).

Almost surely, 2^{8126265220537} is an apocalyptic number.

It is an amenable number.

8126265220537 is a deficient number, since it is larger than the sum of its proper divisors (42545891399).

8126265220537 is a wasteful number, since it uses less digits than its factorization.

8126265220537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42545891398.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 8126265220537 in words is "eight trillion, one hundred twenty-six billion, two hundred sixty-five million, two hundred twenty thousand, five hundred thirty-seven".