11898230287 has 8 divisors (see below), whose sum is σ = 12366854640. Its totient is φ = 11433495360.

The previous prime is 11898230269. The next prime is 11898230291. The reversal of 11898230287 is 78203289811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11898230287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11898230287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898230207) 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, 966118 + ... + 978355.

It is an arithmetic number, because the mean of its divisors is an integer number (1545856830).

Almost surely, 2^11898230287 is an apocalyptic number.

11898230287 is a deficient number, since it is larger than the sum of its proper divisors (468624353).

11898230287 is a wasteful number, since it uses less digits than its factorization.

11898230287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944713.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 11898230287 in words is "eleven billion, eight hundred ninety-eight million, two hundred thirty thousand, two hundred eighty-seven".