21114535037 has 2 divisors, whose sum is σ = 21114535038. Its totient is φ = 21114535036.

The previous prime is 21114534949. The next prime is 21114535051. The reversal of 21114535037 is 73053541112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15268556356 + 5845978681 = 123566^2 + 76459^2 .

It is a cyclic number.

It is not a de Polignac number, because 21114535037 - 2²⁰ = 21113486461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21114534994 and 21114535012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21114535097) 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, 10557267518 + 10557267519.

It is an arithmetic number, because the mean of its divisors is an integer number (10557267519).

Almost surely, 2^21114535037 is an apocalyptic number.

It is an amenable number.

21114535037 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114535037 is an equidigital number, since it uses as much as digits as its factorization.

21114535037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 21114535037 in words is "twenty-one billion, one hundred fourteen million, five hundred thirty-five thousand, thirty-seven".