10767825221 has 4 divisors (see below), whose sum is σ = 10768714572. Its totient is φ = 10766935872.

The previous prime is 10767825197. The next prime is 10767825223. The reversal of 10767825221 is 12252876701.

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 2105800321 + 8662024900 = 45889^2 + 93070^2 .

It is a cyclic number.

It is not a de Polignac number, because 10767825221 - 2³⁰ = 9694083397 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 (10767825223) 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, 426260 + ... + 450813.

It is an arithmetic number, because the mean of its divisors is an integer number (2692178643).

Almost surely, 2^10767825221 is an apocalyptic number.

It is an amenable number.

10767825221 is a deficient number, since it is larger than the sum of its proper divisors (889351).

10767825221 is an equidigital number, since it uses as much as digits as its factorization.

10767825221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889350.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 10767825221 in words is "ten billion, seven hundred sixty-seven million, eight hundred twenty-five thousand, two hundred twenty-one".