11398209421825 has 12 divisors (see below), whose sum is σ = 14143467034480. Its totient is φ = 9112317633360.

The previous prime is 11398209421799. The next prime is 11398209421867. The reversal of 11398209421825 is 52812490289311.

It is not a de Polignac number, because 11398209421825 - 2¹⁵ = 11398209389057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156210399 + ... + 156283348.

Almost surely, 2^{11398209421825} is an apocalyptic number.

It is an amenable number.

11398209421825 is a deficient number, since it is larger than the sum of its proper divisors (2745257612655).

11398209421825 is a wasteful number, since it uses less digits than its factorization.

11398209421825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312495216 (or 312495211 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 11398209421825 in words is "eleven trillion, three hundred ninety-eight billion, two hundred nine million, four hundred twenty-one thousand, eight hundred twenty-five".