21037360127 has 16 divisors (see below), whose sum is σ = 24109146432. Its totient is φ = 17982259200.

The previous prime is 21037360103. The next prime is 21037360147. The reversal of 21037360127 is 72106373012.

It is a cyclic number.

It is not a de Polignac number, because 21037360127 - 2¹⁰ = 21037359103 is a prime.

It is a super-2 number, since 2×21037360127² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21037360093 and 21037360102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21037360147) 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 15 ways as a sum of consecutive naturals, for example, 4848503 + ... + 4852839.

It is an arithmetic number, because the mean of its divisors is an integer number (1506821652).

Almost surely, 2^21037360127 is an apocalyptic number.

21037360127 is a deficient number, since it is larger than the sum of its proper divisors (3071786305).

21037360127 is a wasteful number, since it uses less digits than its factorization.

21037360127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098.

The product of its (nonzero) digits is 10584, while the sum is 32.

The spelling of 21037360127 in words is "twenty-one billion, thirty-seven million, three hundred sixty thousand, one hundred twenty-seven".