215114411137 has 2 divisors, whose sum is σ = 215114411138. Its totient is φ = 215114411136.

The previous prime is 215114411131. The next prime is 215114411167. The reversal of 215114411137 is 731114411512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167555960896 + 47558450241 = 409336^2 + 218079^2 .

It is a cyclic number.

It is not a de Polignac number, because 215114411137 - 2³ = 215114411129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215114411099 and 215114411108.

It is not a weakly prime, because it can be changed into another prime (215114411131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107557205568 + 107557205569.

It is an arithmetic number, because the mean of its divisors is an integer number (107557205569).

Almost surely, 2^215114411137 is an apocalyptic number.

It is an amenable number.

215114411137 is a deficient number, since it is larger than the sum of its proper divisors (1).

215114411137 is an equidigital number, since it uses as much as digits as its factorization.

215114411137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 31.

Adding to 215114411137 its reverse (731114411512), we get a palindrome (946228822649).

The spelling of 215114411137 in words is "two hundred fifteen billion, one hundred fourteen million, four hundred eleven thousand, one hundred thirty-seven".