11057232481 has 2 divisors, whose sum is σ = 11057232482. Its totient is φ = 11057232480.

The previous prime is 11057232409. The next prime is 11057232509. The reversal of 11057232481 is 18423275011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10481664400 + 575568081 = 102380^2 + 23991^2 .

It is a cyclic number.

It is not a de Polignac number, because 11057232481 - 2¹¹ = 11057230433 is a prime.

It is a super-2 number, since 2×11057232481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11054232481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528616240 + 5528616241.

It is an arithmetic number, because the mean of its divisors is an integer number (5528616241).

Almost surely, 2^11057232481 is an apocalyptic number.

It is an amenable number.

11057232481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11057232481 is an equidigital number, since it uses as much as digits as its factorization.

11057232481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 11057232481 in words is "eleven billion, fifty-seven million, two hundred thirty-two thousand, four hundred eighty-one".