11468961691 has 4 divisors (see below), whose sum is σ = 12511594584. Its totient is φ = 10426328800.

The previous prime is 11468961689. The next prime is 11468961727. The reversal of 11468961691 is 19616986411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11468961691 - 2¹ = 11468961689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11468961601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521316430 + ... + 521316451.

It is an arithmetic number, because the mean of its divisors is an integer number (3127898646).

Almost surely, 2^11468961691 is an apocalyptic number.

11468961691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11468961691 is a deficient number, since it is larger than the sum of its proper divisors (1042632893).

11468961691 is a wasteful number, since it uses less digits than its factorization.

11468961691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042632892.

The product of its digits is 559872, while the sum is 52.

The spelling of 11468961691 in words is "eleven billion, four hundred sixty-eight million, nine hundred sixty-one thousand, six hundred ninety-one".