11478364697 has 8 divisors (see below), whose sum is σ = 11494574280. Its totient is φ = 11462169600.

The previous prime is 11478364687. The next prime is 11478364771. The reversal of 11478364697 is 79646387411.

It can be written as a sum of positive squares in 4 ways, for example, as 5110963081 + 6367401616 = 71491^2 + 79796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11478364697 - 2⁸ = 11478364441 is a prime.

It is a super-2 number, since 2×11478364697² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11478364687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092879 + ... + 3096587.

It is an arithmetic number, because the mean of its divisors is an integer number (1436821785).

Almost surely, 2^11478364697 is an apocalyptic number.

It is an amenable number.

11478364697 is a deficient number, since it is larger than the sum of its proper divisors (16209583).

11478364697 is a wasteful number, since it uses less digits than its factorization.

11478364697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243.

The product of its digits is 6096384, while the sum is 56.

The spelling of 11478364697 in words is "eleven billion, four hundred seventy-eight million, three hundred sixty-four thousand, six hundred ninety-seven".