1245252545601 has 8 divisors (see below), whose sum is σ = 1666245400224. Its totient is φ = 827214027360.

The previous prime is 1245252545599. The next prime is 1245252545623. The reversal of 1245252545601 is 1065452525421.

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

It is not a de Polignac number, because 1245252545601 - 2¹ = 1245252545599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1245252545671) 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, 738583111 + ... + 738584796.

It is an arithmetic number, because the mean of its divisors is an integer number (208280675028).

Almost surely, 2^{1245252545601} is an apocalyptic number.

It is an amenable number.

1245252545601 is a deficient number, since it is larger than the sum of its proper divisors (420992854623).

1245252545601 is a wasteful number, since it uses less digits than its factorization.

1245252545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477168191.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 1245252545601 in words is "one trillion, two hundred forty-five billion, two hundred fifty-two million, five hundred forty-five thousand, six hundred one".