11931250801 has 2 divisors, whose sum is σ = 11931250802. Its totient is φ = 11931250800.

The previous prime is 11931250783. The next prime is 11931250817. The reversal of 11931250801 is 10805213911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10112313600 + 1818937201 = 100560^2 + 42649^2 .

It is a cyclic number.

It is not a de Polignac number, because 11931250801 - 2²⁹ = 11394379889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11931250501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5965625400 + 5965625401.

It is an arithmetic number, because the mean of its divisors is an integer number (5965625401).

Almost surely, 2^11931250801 is an apocalyptic number.

It is an amenable number.

11931250801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11931250801 is an equidigital number, since it uses as much as digits as its factorization.

11931250801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 11931250801 in words is "eleven billion, nine hundred thirty-one million, two hundred fifty thousand, eight hundred one".