11473370551 has 2 divisors, whose sum is σ = 11473370552. Its totient is φ = 11473370550.

The previous prime is 11473370497. The next prime is 11473370591. The reversal of 11473370551 is 15507337411.

It is a strong prime.

It is an emirp because it is prime and its reverse (15507337411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11473370551 - 2¹⁹ = 11472846263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11473370551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11473370591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736685275 + 5736685276.

It is an arithmetic number, because the mean of its divisors is an integer number (5736685276).

Almost surely, 2^11473370551 is an apocalyptic number.

11473370551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473370551 is an equidigital number, since it uses as much as digits as its factorization.

11473370551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 11473370551 in words is "eleven billion, four hundred seventy-three million, three hundred seventy thousand, five hundred fifty-one".