11678145015 has 8 divisors (see below), whose sum is σ = 18685032048. Its totient is φ = 6228344000.

The previous prime is 11678145013. The next prime is 11678145077. The reversal of 11678145015 is 51054187611.

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 11678145015 - 2¹ = 11678145013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678145013) 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, 389271486 + ... + 389271515.

It is an arithmetic number, because the mean of its divisors is an integer number (2335629006).

Almost surely, 2^11678145015 is an apocalyptic number.

11678145015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11678145015 is a deficient number, since it is larger than the sum of its proper divisors (7006887033).

11678145015 is an equidigital number, since it uses as much as digits as its factorization.

11678145015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778543009.

The product of its (nonzero) digits is 33600, while the sum is 39.

The spelling of 11678145015 in words is "eleven billion, six hundred seventy-eight million, one hundred forty-five thousand, fifteen".