11265066646551 has 28 divisors (see below), whose sum is σ = 17472283053480. Its totient is φ = 7251077368080.

The previous prime is 11265066646541. The next prime is 11265066646591. The reversal of 11265066646551 is 15564666056211.

It is not a de Polignac number, because 11265066646551 - 2²² = 11265062452247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265066646531) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 266405865 + ... + 266448146.

Almost surely, 2^{11265066646551} is an apocalyptic number.

11265066646551 is a deficient number, since it is larger than the sum of its proper divisors (6207216406929).

11265066646551 is an frugal number, since it uses more digits than its factorization.

11265066646551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532854058 (or 532854043 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 11265066646551 in words is "eleven trillion, two hundred sixty-five billion, sixty-six million, six hundred forty-six thousand, five hundred fifty-one".