11040525541 has 4 divisors (see below), whose sum is σ = 11040840832. Its totient is φ = 11040210252.

The previous prime is 11040525539. The next prime is 11040525581. The reversal of 11040525541 is 14552504011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11040525541 - 2¹ = 11040525539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040525511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97461 + ... + 177706.

It is an arithmetic number, because the mean of its divisors is an integer number (2760210208).

Almost surely, 2^11040525541 is an apocalyptic number.

It is an amenable number.

11040525541 is a deficient number, since it is larger than the sum of its proper divisors (315291).

11040525541 is an equidigital number, since it uses as much as digits as its factorization.

11040525541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315290.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 11040525541 in words is "eleven billion, forty million, five hundred twenty-five thousand, five hundred forty-one".