11261664127 has 16 divisors (see below), whose sum is σ = 13634671680. Its totient is φ = 9080299008.

The previous prime is 11261664121. The next prime is 11261664191. The reversal of 11261664127 is 72146616211.

It is a cyclic number.

It is not a de Polignac number, because 11261664127 - 2³ = 11261664119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261664121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213949 + ... + 261337.

It is an arithmetic number, because the mean of its divisors is an integer number (852166980).

Almost surely, 2^11261664127 is an apocalyptic number.

11261664127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11261664127 is a deficient number, since it is larger than the sum of its proper divisors (2373007553).

11261664127 is a wasteful number, since it uses less digits than its factorization.

11261664127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49410.

The product of its digits is 24192, while the sum is 37.

The spelling of 11261664127 in words is "eleven billion, two hundred sixty-one million, six hundred sixty-four thousand, one hundred twenty-seven".