11540311747 has 2 divisors, whose sum is σ = 11540311748. Its totient is φ = 11540311746.

The previous prime is 11540311711. The next prime is 11540311759. The reversal of 11540311747 is 74711304511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11540311747 is a prime.

It is not a weakly prime, because it can be changed into another prime (11540311777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5770155873 + 5770155874.

It is an arithmetic number, because the mean of its divisors is an integer number (5770155874).

Almost surely, 2^11540311747 is an apocalyptic number.

11540311747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11540311747 is an equidigital number, since it uses as much as digits as its factorization.

11540311747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 11540311747 in words is "eleven billion, five hundred forty million, three hundred eleven thousand, seven hundred forty-seven".