1045257001663 has 8 divisors (see below), whose sum is σ = 1214162700320. Its totient is φ = 881247120480.

The previous prime is 1045257001661. The next prime is 1045257001669. The reversal of 1045257001663 is 3661007525401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045257001663 - 2¹ = 1045257001661 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 (1045257001661) 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, 1223953908 + ... + 1223954761.

It is an arithmetic number, because the mean of its divisors is an integer number (151770337540).

Almost surely, 2^{1045257001663} is an apocalyptic number.

1045257001663 is a deficient number, since it is larger than the sum of its proper divisors (168905698657).

1045257001663 is an equidigital number, since it uses as much as digits as its factorization.

1045257001663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447908737.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1045257001663 in words is "one trillion, forty-five billion, two hundred fifty-seven million, one thousand, six hundred sixty-three".