1245305564001 has 12 divisors (see below), whose sum is σ = 1799928524160. Its totient is φ = 829671176760.

The previous prime is 1245305563967. The next prime is 1245305564021. The reversal of 1245305564001 is 1004655035421.

1245305564001 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 3 + 0 + 5 + 5 + 640 + 0 + 1 = 666.

It is not a de Polignac number, because 1245305564001 - 2⁶ = 1245305563937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245305564021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44362905 + ... + 44390966.

It is an arithmetic number, because the mean of its divisors is an integer number (149994043680).

Almost surely, 2^{1245305564001} is an apocalyptic number.

It is an amenable number.

1245305564001 is a deficient number, since it is larger than the sum of its proper divisors (554622960159).

1245305564001 is a wasteful number, since it uses less digits than its factorization.

1245305564001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88755436 (or 88755433 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1245305564001 in words is "one trillion, two hundred forty-five billion, three hundred five million, five hundred sixty-four thousand, one".