1552025644441 has 2 divisors, whose sum is σ = 1552025644442. Its totient is φ = 1552025644440.

The previous prime is 1552025644381. The next prime is 1552025644471. The reversal of 1552025644441 is 1444465202551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1536846172416 + 15179472025 = 1239696^2 + 123205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552025644441 is a prime.

It is a super-3 number, since 3×1552025644441³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1552025644471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776012822220 + 776012822221.

It is an arithmetic number, because the mean of its divisors is an integer number (776012822221).

Almost surely, 2^{1552025644441} is an apocalyptic number.

It is an amenable number.

1552025644441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552025644441 is an equidigital number, since it uses as much as digits as its factorization.

1552025644441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 1552025644441 in words is "one trillion, five hundred fifty-two billion, twenty-five million, six hundred forty-four thousand, four hundred forty-one".