11898728215267 has 8 divisors (see below), whose sum is σ = 12025411457024. Its totient is φ = 11772699667848.

The previous prime is 11898728215223. The next prime is 11898728215271. The reversal of 11898728215267 is 76251282789811.

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 11898728215267 - 2¹⁵ = 11898728182499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11898728215207) 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, 163637043 + ... + 163709740.

It is an arithmetic number, because the mean of its divisors is an integer number (1503176432128).

Almost surely, 2^{11898728215267} is an apocalyptic number.

11898728215267 is a deficient number, since it is larger than the sum of its proper divisors (126683241757).

11898728215267 is a wasteful number, since it uses less digits than its factorization.

11898728215267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327347169.

The product of its digits is 54190080, while the sum is 67.

The spelling of 11898728215267 in words is "eleven trillion, eight hundred ninety-eight billion, seven hundred twenty-eight million, two hundred fifteen thousand, two hundred sixty-seven".