11677802109 has 4 divisors (see below), whose sum is σ = 15570402816. Its totient is φ = 7785201404.

The previous prime is 11677802107. The next prime is 11677802111. The reversal of 11677802109 is 90120877611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90120877611 = 3 ⋅30040292537.

It is an interprime number because it is at equal distance from previous prime (11677802107) and next prime (11677802111).

It is a cyclic number.

It is not a de Polignac number, because 11677802109 - 2¹ = 11677802107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11677802107) 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, 1946300349 + ... + 1946300354.

It is an arithmetic number, because the mean of its divisors is an integer number (3892600704).

Almost surely, 2^11677802109 is an apocalyptic number.

It is an amenable number.

11677802109 is a deficient number, since it is larger than the sum of its proper divisors (3892600707).

11677802109 is an equidigital number, since it uses as much as digits as its factorization.

11677802109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892600706.

The product of its (nonzero) digits is 42336, while the sum is 42.

The spelling of 11677802109 in words is "eleven billion, six hundred seventy-seven million, eight hundred two thousand, one hundred nine".