2146002251156 has 12 divisors (see below), whose sum is σ = 3794220475668. Its totient is φ = 1061939258112.

The previous prime is 2146002251137. The next prime is 2146002251177. The reversal of 2146002251156 is 6511522006412.

It can be written as a sum of positive squares in 2 ways, for example, as 507679050256 + 1638323200900 = 712516^2 + 1279970^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2765466431 + ... + 2765467206.

It is an arithmetic number, because the mean of its divisors is an integer number (316185039639).

Almost surely, 2^{2146002251156} is an apocalyptic number.

It is an amenable number.

2146002251156 is a deficient number, since it is larger than the sum of its proper divisors (1648218224512).

2146002251156 is a wasteful number, since it uses less digits than its factorization.

2146002251156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530933738 (or 5530933736 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 2146002251156 its reverse (6511522006412), we get a palindrome (8657524257568).

The spelling of 2146002251156 in words is "two trillion, one hundred forty-six billion, two million, two hundred fifty-one thousand, one hundred fifty-six".