22136988381451 has 2 divisors, whose sum is σ = 22136988381452. Its totient is φ = 22136988381450.

The previous prime is 22136988381433. The next prime is 22136988381461. The reversal of 22136988381451 is 15418388963122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22136988381451 - 2²³ = 22136979992843 is a prime.

It is a super-3 number, since 3×22136988381451³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22136988381451.

It is not a weakly prime, because it can be changed into another prime (22136988381401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11068494190725 + 11068494190726.

It is an arithmetic number, because the mean of its divisors is an integer number (11068494190726).

Almost surely, 2^{22136988381451} is an apocalyptic number.

22136988381451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136988381451 is an equidigital number, since it uses as much as digits as its factorization.

22136988381451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 61.

The spelling of 22136988381451 in words is "twenty-two trillion, one hundred thirty-six billion, nine hundred eighty-eight million, three hundred eighty-one thousand, four hundred fifty-one".