1045013512251 has 8 divisors (see below), whose sum is σ = 1394880827904. Its totient is φ = 695910935720.

The previous prime is 1045013512247. The next prime is 1045013512321. The reversal of 1045013512251 is 1522153105401.

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 1045013512251 - 2² = 1045013512247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045013512201) 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, 191181591 + ... + 191187056.

It is an arithmetic number, because the mean of its divisors is an integer number (174360103488).

Almost surely, 2^{1045013512251} is an apocalyptic number.

1045013512251 is a deficient number, since it is larger than the sum of its proper divisors (349867315653).

1045013512251 is an equidigital number, since it uses as much as digits as its factorization.

1045013512251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382369561.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 1045013512251 its reverse (1522153105401), we get a palindrome (2567166617652).

The spelling of 1045013512251 in words is "one trillion, forty-five billion, thirteen million, five hundred twelve thousand, two hundred fifty-one".