2125336856859 has 6 divisors (see below), whose sum is σ = 3069931015476. Its totient is φ = 1416891237900.

The previous prime is 2125336856821. The next prime is 2125336856861. The reversal of 2125336856859 is 9586586335212.

It is a happy number.

2125336856859 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 3 + 3 + 68 + 568 + 5 + 9 = 666.

It is not a de Polignac number, because 2125336856859 - 2¹³ = 2125336848667 is a prime.

It is a super-3 number, since 3×2125336856859³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125336856796 and 2125336856805.

It is not an unprimeable number, because it can be changed into a prime (2125336856759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118074269817 + ... + 118074269834.

It is an arithmetic number, because the mean of its divisors is an integer number (511655169246).

Almost surely, 2^{2125336856859} is an apocalyptic number.

2125336856859 is a deficient number, since it is larger than the sum of its proper divisors (944594158617).

2125336856859 is a wasteful number, since it uses less digits than its factorization.

2125336856859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236148539657 (or 236148539654 counting only the distinct ones).

The product of its digits is 93312000, while the sum is 63.

The spelling of 2125336856859 in words is "two trillion, one hundred twenty-five billion, three hundred thirty-six million, eight hundred fifty-six thousand, eight hundred fifty-nine".