10920513761 has 8 divisors (see below), whose sum is σ = 10990632744. Its totient is φ = 10850475520.

The previous prime is 10920513707. The next prime is 10920513883. The reversal of 10920513761 is 16731502901.

It can be written as a sum of positive squares in 4 ways, for example, as 373223761 + 10547290000 = 19319^2 + 102700^2 .

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 10920513761 - 2⁶ = 10920513697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10920513661) 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, 263921 + ... + 302481.

It is an arithmetic number, because the mean of its divisors is an integer number (1373829093).

Almost surely, 2^10920513761 is an apocalyptic number.

It is an amenable number.

10920513761 is a deficient number, since it is larger than the sum of its proper divisors (70118983).

10920513761 is a wasteful number, since it uses less digits than its factorization.

10920513761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40371.

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 10920513761 in words is "ten billion, nine hundred twenty million, five hundred thirteen thousand, seven hundred sixty-one".