1305642525041 has 8 divisors (see below), whose sum is σ = 1387329996384. Its totient is φ = 1224497828160.

The previous prime is 1305642524999. The next prime is 1305642525097. The reversal of 1305642525041 is 1405252465031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305642525041 - 2³⁸ = 1030764618097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1305642524986 and 1305642525004.

It is not an unprimeable number, because it can be changed into a prime (1305642525241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135688655 + ... + 135698276.

It is an arithmetic number, because the mean of its divisors is an integer number (173416249548).

Almost surely, 2^{1305642525041} is an apocalyptic number.

It is an amenable number.

1305642525041 is a deficient number, since it is larger than the sum of its proper divisors (81687471343).

1305642525041 is a wasteful number, since it uses less digits than its factorization.

1305642525041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271387231.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 1305642525041 in words is "one trillion, three hundred five billion, six hundred forty-two million, five hundred twenty-five thousand, forty-one".