11687455347 has 8 divisors (see below), whose sum is σ = 15758367120. Its totient is φ = 7704090240.

The previous prime is 11687455321. The next prime is 11687455433. The reversal of 11687455347 is 74355478611.

It is a happy number.

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

It is not a de Polignac number, because 11687455347 - 2¹⁰ = 11687454323 is a prime.

It is a super-2 number, since 2×11687455347² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11687455347.

It is not an unprimeable number, because it can be changed into a prime (11687455547) 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, 21886354 + ... + 21886887.

It is an arithmetic number, because the mean of its divisors is an integer number (1969795890).

Almost surely, 2^11687455347 is an apocalyptic number.

11687455347 is a deficient number, since it is larger than the sum of its proper divisors (4070911773).

11687455347 is an equidigital number, since it uses as much as digits as its factorization.

11687455347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773333.

The product of its digits is 2822400, while the sum is 51.

The spelling of 11687455347 in words is "eleven billion, six hundred eighty-seven million, four hundred fifty-five thousand, three hundred forty-seven".