1002125544443 has 2 divisors, whose sum is σ = 1002125544444. Its totient is φ = 1002125544442.

The previous prime is 1002125544437. The next prime is 1002125544457. The reversal of 1002125544443 is 3444455212001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002125544443 - 2⁶ = 1002125544379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002125544143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501062772221 + 501062772222.

It is an arithmetic number, because the mean of its divisors is an integer number (501062772222).

Almost surely, 2^{1002125544443} is an apocalyptic number.

1002125544443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002125544443 is an equidigital number, since it uses as much as digits as its factorization.

1002125544443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1002125544443 in words is "one trillion, two billion, one hundred twenty-five million, five hundred forty-four thousand, four hundred forty-three".