1356441540025 has 48 divisors (see below), whose sum is σ = 2092279085568. Its totient is φ = 857052288000.

The previous prime is 1356441540017. The next prime is 1356441540149. The reversal of 1356441540025 is 5200451446531.

It is not a de Polignac number, because 1356441540025 - 2³ = 1356441540017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1356441540025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11098761 + ... + 11220310.

It is an arithmetic number, because the mean of its divisors is an integer number (43589147616).

Almost surely, 2^{1356441540025} is an apocalyptic number.

It is an amenable number.

1356441540025 is a deficient number, since it is larger than the sum of its proper divisors (735837545543).

1356441540025 is a wasteful number, since it uses less digits than its factorization.

1356441540025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22319122 (or 22319117 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 1356441540025 its reverse (5200451446531), we get a palindrome (6556892986556).

The spelling of 1356441540025 in words is "one trillion, three hundred fifty-six billion, four hundred forty-one million, five hundred forty thousand, twenty-five".