11120610521 has 2 divisors, whose sum is σ = 11120610522. Its totient is φ = 11120610520.

The previous prime is 11120610511. The next prime is 11120610533. The reversal of 11120610521 is 12501602111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10787730496 + 332880025 = 103864^2 + 18245^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120610521 - 2¹⁴ = 11120594137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120610493 and 11120610502.

It is not a weakly prime, because it can be changed into another prime (11120610511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560305260 + 5560305261.

It is an arithmetic number, because the mean of its divisors is an integer number (5560305261).

Almost surely, 2^11120610521 is an apocalyptic number.

It is an amenable number.

11120610521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11120610521 is an equidigital number, since it uses as much as digits as its factorization.

11120610521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 20.

The spelling of 11120610521 in words is "eleven billion, one hundred twenty million, six hundred ten thousand, five hundred twenty-one".