11240570021 has 2 divisors, whose sum is σ = 11240570022. Its totient is φ = 11240570020.

The previous prime is 11240569999. The next prime is 11240570059. The reversal of 11240570021 is 12007504211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10922340100 + 318229921 = 104510^2 + 17839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240570021 - 2⁶ = 11240569957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11240570071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620285010 + 5620285011.

It is an arithmetic number, because the mean of its divisors is an integer number (5620285011).

Almost surely, 2^11240570021 is an apocalyptic number.

It is an amenable number.

11240570021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240570021 is an equidigital number, since it uses as much as digits as its factorization.

11240570021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

The spelling of 11240570021 in words is "eleven billion, two hundred forty million, five hundred seventy thousand, twenty-one".