2125261065016 has 8 divisors (see below), whose sum is σ = 3984864496920. Its totient is φ = 1062630532504.

The previous prime is 2125261064951. The next prime is 2125261065017. The reversal of 2125261065016 is 6105601625212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125261065017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132828816556 + ... + 132828816571.

It is an arithmetic number, because the mean of its divisors is an integer number (498108062115).

Almost surely, 2^{2125261065016} is an apocalyptic number.

It is an amenable number.

2125261065016 is a deficient number, since it is larger than the sum of its proper divisors (1859603431904).

2125261065016 is a wasteful number, since it uses less digits than its factorization.

2125261065016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265657633133 (or 265657633129 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 2125261065016 in words is "two trillion, one hundred twenty-five billion, two hundred sixty-one million, sixty-five thousand, sixteen".