11572743551 has 2 divisors, whose sum is σ = 11572743552. Its totient is φ = 11572743550.

The previous prime is 11572743529. The next prime is 11572743571. The reversal of 11572743551 is 15534727511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11572743551 - 2¹⁴ = 11572727167 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11572743499 and 11572743508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11572743521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786371775 + 5786371776.

It is an arithmetic number, because the mean of its divisors is an integer number (5786371776).

Almost surely, 2^11572743551 is an apocalyptic number.

11572743551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11572743551 is an equidigital number, since it uses as much as digits as its factorization.

11572743551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147000, while the sum is 41.

The spelling of 11572743551 in words is "eleven billion, five hundred seventy-two million, seven hundred forty-three thousand, five hundred fifty-one".