1043251113001 has 4 divisors (see below), whose sum is σ = 1057542224212. Its totient is φ = 1028960001792.

The previous prime is 1043251112983. The next prime is 1043251113089. The reversal of 1043251113001 is 1003111523401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333783507600 + 709467605401 = 577740^2 + 842299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043251113001 - 2⁷ = 1043251112873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043251113301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145555496 + ... + 7145555641.

It is an arithmetic number, because the mean of its divisors is an integer number (264385556053).

Almost surely, 2^{1043251113001} is an apocalyptic number.

It is an amenable number.

1043251113001 is a deficient number, since it is larger than the sum of its proper divisors (14291111211).

1043251113001 is an equidigital number, since it uses as much as digits as its factorization.

1043251113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291111210.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1043251113001 its reverse (1003111523401), we get a palindrome (2046362636402).

The spelling of 1043251113001 in words is "one trillion, forty-three billion, two hundred fifty-one million, one hundred thirteen thousand, one".