11240543515057 has 4 divisors (see below), whose sum is σ = 11245194135396. Its totient is φ = 11235892894720.

The previous prime is 11240543515039. The next prime is 11240543515067. The reversal of 11240543515057 is 75051534504211.

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 10790495742321 + 450047772736 = 3284889^2 + 670856^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240543515057 - 2²³ = 11240535126449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11240543515027) 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, 2325306544 + ... + 2325311377.

It is an arithmetic number, because the mean of its divisors is an integer number (2811298533849).

Almost surely, 2^{11240543515057} is an apocalyptic number.

It is an amenable number.

11240543515057 is a deficient number, since it is larger than the sum of its proper divisors (4650620339).

11240543515057 is an equidigital number, since it uses as much as digits as its factorization.

11240543515057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650620338.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 11240543515057 in words is "eleven trillion, two hundred forty billion, five hundred forty-three million, five hundred fifteen thousand, fifty-seven".