11137766543 has 2 divisors, whose sum is σ = 11137766544. Its totient is φ = 11137766542.

The previous prime is 11137766513. The next prime is 11137766551. The reversal of 11137766543 is 34566773111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11137766543 - 2³² = 6842799247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11137766494 and 11137766503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11137766513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5568883271 + 5568883272.

It is an arithmetic number, because the mean of its divisors is an integer number (5568883272).

Almost surely, 2^11137766543 is an apocalyptic number.

11137766543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11137766543 is an equidigital number, since it uses as much as digits as its factorization.

11137766543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The spelling of 11137766543 in words is "eleven billion, one hundred thirty-seven million, seven hundred sixty-six thousand, five hundred forty-three".