21137541314086 has 8 divisors (see below), whose sum is σ = 31714096494024. Its totient is φ = 10566175816080.

The previous prime is 21137541314083. The next prime is 21137541314089. The reversal of 21137541314086 is 68041314573112.

It is an interprime number because it is at equal distance from previous prime (21137541314083) and next prime (21137541314089).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21137541314083) 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, 1297410300 + ... + 1297426591.

It is an arithmetic number, because the mean of its divisors is an integer number (3964262061753).

Almost surely, 2^{21137541314086} is an apocalyptic number.

21137541314086 is a deficient number, since it is larger than the sum of its proper divisors (10576555179938).

21137541314086 is a wasteful number, since it uses less digits than its factorization.

21137541314086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594840966.

The product of its (nonzero) digits is 483840, while the sum is 46.

Adding to 21137541314086 its reverse (68041314573112), we get a palindrome (89178855887198).

The spelling of 21137541314086 in words is "twenty-one trillion, one hundred thirty-seven billion, five hundred forty-one million, three hundred fourteen thousand, eighty-six".