11534266213 has 2 divisors, whose sum is σ = 11534266214. Its totient is φ = 11534266212.

The previous prime is 11534266189. The next prime is 11534266223. The reversal of 11534266213 is 31266243511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6874565569 + 4659700644 = 82913^2 + 68262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11534266213 is a prime.

It is a super-2 number, since 2×11534266213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11534266223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767133106 + 5767133107.

It is an arithmetic number, because the mean of its divisors is an integer number (5767133107).

Almost surely, 2^11534266213 is an apocalyptic number.

It is an amenable number.

11534266213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534266213 is an equidigital number, since it uses as much as digits as its factorization.

11534266213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The spelling of 11534266213 in words is "eleven billion, five hundred thirty-four million, two hundred sixty-six thousand, two hundred thirteen".