1249244841601 has 8 divisors (see below), whose sum is σ = 1254036299264. Its totient is φ = 1244458481760.

The previous prime is 1249244841583. The next prime is 1249244841659. The reversal of 1249244841601 is 1061484429421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1249244841601 is a prime.

It is a super-2 number, since 2×1249244841601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249244841661) 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, 783045 + ... + 1763986.

It is an arithmetic number, because the mean of its divisors is an integer number (156754537408).

Almost surely, 2^{1249244841601} is an apocalyptic number.

It is an amenable number.

1249244841601 is a deficient number, since it is larger than the sum of its proper divisors (4791457663).

1249244841601 is a wasteful number, since it uses less digits than its factorization.

1249244841601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548911.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 1249244841601 in words is "one trillion, two hundred forty-nine billion, two hundred forty-four million, eight hundred forty-one thousand, six hundred one".