1304145211655 has 64 divisors (see below), whose sum is σ = 1947183307776. Its totient is φ = 823814400000.

The previous prime is 1304145211651. The next prime is 1304145211679. The reversal of 1304145211655 is 5561125414031.

It is not a de Polignac number, because 1304145211655 - 2² = 1304145211651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304145211651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65031380 + ... + 65051430.

It is an arithmetic number, because the mean of its divisors is an integer number (30424739184).

Almost surely, 2^{1304145211655} is an apocalyptic number.

1304145211655 is a deficient number, since it is larger than the sum of its proper divisors (643038096121).

1304145211655 is a wasteful number, since it uses less digits than its factorization.

1304145211655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25448.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 1304145211655 in words is "one trillion, three hundred four billion, one hundred forty-five million, two hundred eleven thousand, six hundred fifty-five".