11851330398 has 16 divisors (see below), whose sum is σ = 23731541136. Its totient is φ = 3945630080.

The previous prime is 11851330391. The next prime is 11851330409. The reversal of 11851330398 is 89303315811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11851330391) 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, 1198011 + ... + 1207862.

It is an arithmetic number, because the mean of its divisors is an integer number (1483221321).

Almost surely, 2^11851330398 is an apocalyptic number.

11851330398 is an abundant number, since it is smaller than the sum of its proper divisors (11880210738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11851330398 is a wasteful number, since it uses less digits than its factorization.

11851330398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406699.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 11851330398 in words is "eleven billion, eight hundred fifty-one million, three hundred thirty thousand, three hundred ninety-eight".