2125644163522 has 32 divisors (see below), whose sum is σ = 3480620544000. Its totient is φ = 965565022800.

The previous prime is 2125644163499. The next prime is 2125644163547. The reversal of 2125644163522 is 2253614465212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385147479 + ... + 385152997.

It is an arithmetic number, because the mean of its divisors is an integer number (108769392000).

Almost surely, 2^{2125644163522} is an apocalyptic number.

2125644163522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2125644163522 is a deficient number, since it is larger than the sum of its proper divisors (1354976380478).

2125644163522 is a wasteful number, since it uses less digits than its factorization.

2125644163522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902.

The product of its digits is 691200, while the sum is 43.

The spelling of 2125644163522 in words is "two trillion, one hundred twenty-five billion, six hundred forty-four million, one hundred sixty-three thousand, five hundred twenty-two".