11425287921447 has 8 divisors (see below), whose sum is σ = 15233737049856. Its totient is φ = 7616848703672.

The previous prime is 11425287921433. The next prime is 11425287921461. The reversal of 11425287921447 is 74412978252411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11425287921433) and next prime (11425287921461).

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 11425287921447 - 2¹⁶ = 11425287855911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425287921647) 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, 851218 + ... + 4855424.

It is an arithmetic number, because the mean of its divisors is an integer number (1904217131232).

Almost surely, 2^{11425287921447} is an apocalyptic number.

11425287921447 is a deficient number, since it is larger than the sum of its proper divisors (3808449128409).

11425287921447 is an equidigital number, since it uses as much as digits as its factorization.

11425287921447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955317.

The product of its digits is 9031680, while the sum is 57.

The spelling of 11425287921447 in words is "eleven trillion, four hundred twenty-five billion, two hundred eighty-seven million, nine hundred twenty-one thousand, four hundred forty-seven".