1135280541 has 4 divisors (see below), whose sum is σ = 1513707392. Its totient is φ = 756853692.

The previous prime is 1135280527. The next prime is 1135280563. The reversal of 1135280541 is 1450825311.

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 not a de Polignac number, because 1135280541 - 2¹⁷ = 1135149469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1135280499 and 1135280508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135280581) 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, 189213421 + ... + 189213426.

It is an arithmetic number, because the mean of its divisors is an integer number (378426848).

Almost surely, 2^1135280541 is an apocalyptic number.

It is an amenable number.

1135280541 is a deficient number, since it is larger than the sum of its proper divisors (378426851).

1135280541 is an equidigital number, since it uses as much as digits as its factorization.

1135280541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378426850.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1135280541 is about 33693.9243929822. The cubic root of 1135280541 is about 1043.2003673830.

The spelling of 1135280541 in words is "one billion, one hundred thirty-five million, two hundred eighty thousand, five hundred forty-one".