3226554237561 has 4 divisors (see below), whose sum is σ = 4302072316752. Its totient is φ = 2151036158372.

The previous prime is 3226554237553. The next prime is 3226554237593. The reversal of 3226554237561 is 1657324556223.

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 3226554237561 - 2³ = 3226554237553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3226554239561) 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, 537759039591 + ... + 537759039596.

It is an arithmetic number, because the mean of its divisors is an integer number (1075518079188).

Almost surely, 2^{3226554237561} is an apocalyptic number.

It is an amenable number.

3226554237561 is a deficient number, since it is larger than the sum of its proper divisors (1075518079191).

3226554237561 is a wasteful number, since it uses less digits than its factorization.

3226554237561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075518079190.

The product of its digits is 9072000, while the sum is 51.

The spelling of 3226554237561 in words is "three trillion, two hundred twenty-six billion, five hundred fifty-four million, two hundred thirty-seven thousand, five hundred sixty-one".