2125154353331 has 8 divisors (see below), whose sum is σ = 2138144176080. Its totient is φ = 2112176947072.

The previous prime is 2125154353307. The next prime is 2125154353363. The reversal of 2125154353331 is 1333534515212.

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-2125154353331 is a prime.

It is a super-2 number, since 2×2125154353331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125154353391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2760650 + ... + 3445503.

It is an arithmetic number, because the mean of its divisors is an integer number (267268022010).

Almost surely, 2^{2125154353331} is an apocalyptic number.

2125154353331 is a deficient number, since it is larger than the sum of its proper divisors (12989822749).

2125154353331 is a wasteful number, since it uses less digits than its factorization.

2125154353331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208245.

The product of its digits is 162000, while the sum is 38.

Adding to 2125154353331 its reverse (1333534515212), we get a palindrome (3458688868543).

The spelling of 2125154353331 in words is "two trillion, one hundred twenty-five billion, one hundred fifty-four million, three hundred fifty-three thousand, three hundred thirty-one".