11847953507 has 4 divisors (see below), whose sum is σ = 12759334560. Its totient is φ = 10936572456.

The previous prime is 11847953503. The next prime is 11847953549. The reversal of 11847953507 is 70535974811.

It is a happy number.

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 11847953507 - 2² = 11847953503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11847953501) 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, 455690507 + ... + 455690532.

It is an arithmetic number, because the mean of its divisors is an integer number (3189833640).

Almost surely, 2^11847953507 is an apocalyptic number.

11847953507 is a deficient number, since it is larger than the sum of its proper divisors (911381053).

11847953507 is an equidigital number, since it uses as much as digits as its factorization.

11847953507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911381052.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 11847953507 in words is "eleven billion, eight hundred forty-seven million, nine hundred fifty-three thousand, five hundred seven".