11401266663 has 6 divisors (see below), whose sum is σ = 16468496304. Its totient is φ = 7600844436.

The previous prime is 11401266661. The next prime is 11401266713. The reversal of 11401266663 is 36666210411.

It is a happy number.

It is not a de Polignac number, because 11401266663 - 2¹ = 11401266661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401266661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633403695 + ... + 633403712.

It is an arithmetic number, because the mean of its divisors is an integer number (2744749384).

Almost surely, 2^11401266663 is an apocalyptic number.

11401266663 is a deficient number, since it is larger than the sum of its proper divisors (5067229641).

11401266663 is a wasteful number, since it uses less digits than its factorization.

11401266663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266807413 (or 1266807410 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 11401266663 in words is "eleven billion, four hundred one million, two hundred sixty-six thousand, six hundred sixty-three".