1305603201064 has 32 divisors (see below), whose sum is σ = 2608790872320. Its totient is φ = 611133409216.

The previous prime is 1305603201053. The next prime is 1305603201109. The reversal of 1305603201064 is 4601023065031.

It is a super-2 number, since 2×1305603201064² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75477199 + ... + 75494494.

It is an arithmetic number, because the mean of its divisors is an integer number (81524714760).

Almost surely, 2^{1305603201064} is an apocalyptic number.

It is an amenable number.

1305603201064 is a deficient number, since it is larger than the sum of its proper divisors (1303187671256).

1305603201064 is a wasteful number, since it uses less digits than its factorization.

1305603201064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150971769 (or 150971765 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 1305603201064 its reverse (4601023065031), we get a palindrome (5906626266095).

The spelling of 1305603201064 in words is "one trillion, three hundred five billion, six hundred three million, two hundred one thousand, sixty-four".