22135245539987 has 2 divisors, whose sum is σ = 22135245539988. Its totient is φ = 22135245539986.

The previous prime is 22135245539971. The next prime is 22135245540137. The reversal of 22135245539987 is 78993554253122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22135245539987 - 2⁴ = 22135245539971 is a prime.

It is a super-3 number, since 3×22135245539987³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22135245739987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067622769993 + 11067622769994.

It is an arithmetic number, because the mean of its divisors is an integer number (11067622769994).

Almost surely, 2^{22135245539987} is an apocalyptic number.

22135245539987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135245539987 is an equidigital number, since it uses as much as digits as its factorization.

22135245539987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 65.

The spelling of 22135245539987 in words is "twenty-two trillion, one hundred thirty-five billion, two hundred forty-five million, five hundred thirty-nine thousand, nine hundred eighty-seven".