22537073551 has 2 divisors, whose sum is σ = 22537073552. Its totient is φ = 22537073550.

The previous prime is 22537073521. The next prime is 22537073557. The reversal of 22537073551 is 15537073522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22537073551 - 2¹⁷ = 22536942479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22537073557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268536775 + 11268536776.

It is an arithmetic number, because the mean of its divisors is an integer number (11268536776).

Almost surely, 2^22537073551 is an apocalyptic number.

22537073551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22537073551 is an equidigital number, since it uses as much as digits as its factorization.

22537073551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 22537073551 in words is "twenty-two billion, five hundred thirty-seven million, seventy-three thousand, five hundred fifty-one".