11251080857801 has 8 divisors (see below), whose sum is σ = 11913165684360. Its totient is φ = 10589024535808.

The previous prime is 11251080857759. The next prime is 11251080857803. The reversal of 11251080857801 is 10875808015211.

It can be written as a sum of positive squares in 4 ways, for example, as 157151987776 + 11093928870025 = 396424^2 + 3330755^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-11251080857801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11251080857803) 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, 6310826 + ... + 7894851.

It is an arithmetic number, because the mean of its divisors is an integer number (1489145710545).

Almost surely, 2^{11251080857801} is an apocalyptic number.

It is an amenable number.

11251080857801 is a deficient number, since it is larger than the sum of its proper divisors (662084826559).

11251080857801 is a wasteful number, since it uses less digits than its factorization.

11251080857801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252283.

The product of its (nonzero) digits is 179200, while the sum is 47.

The spelling of 11251080857801 in words is "eleven trillion, two hundred fifty-one billion, eighty million, eight hundred fifty-seven thousand, eight hundred one".