11461118647 has 8 divisors (see below), whose sum is σ = 12504836880. Its totient is φ = 10417700160.

The previous prime is 11461118621. The next prime is 11461118653. The reversal of 11461118647 is 74681116411.

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 11461118647 - 2⁷ = 11461118519 is a prime.

It is a super-2 number, since 2×11461118647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461118447) 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, 9123 + ... + 151675.

It is an arithmetic number, because the mean of its divisors is an integer number (1563104610).

Almost surely, 2^11461118647 is an apocalyptic number.

11461118647 is a deficient number, since it is larger than the sum of its proper divisors (1043718233).

11461118647 is a wasteful number, since it uses less digits than its factorization.

11461118647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149873.

The product of its digits is 32256, while the sum is 40.

The spelling of 11461118647 in words is "eleven billion, four hundred sixty-one million, one hundred eighteen thousand, six hundred forty-seven".