11456136547 has 2 divisors, whose sum is σ = 11456136548. Its totient is φ = 11456136546.

The previous prime is 11456136491. The next prime is 11456136557. The reversal of 11456136547 is 74563165411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11456136547 is a prime.

It is not a weakly prime, because it can be changed into another prime (11456136557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728068273 + 5728068274.

It is an arithmetic number, because the mean of its divisors is an integer number (5728068274).

Almost surely, 2^11456136547 is an apocalyptic number.

11456136547 is a deficient number, since it is larger than the sum of its proper divisors (1).

11456136547 is an equidigital number, since it uses as much as digits as its factorization.

11456136547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The spelling of 11456136547 in words is "eleven billion, four hundred fifty-six million, one hundred thirty-six thousand, five hundred forty-seven".