1135040551 has 4 divisors (see below), whose sum is σ = 1135922400. Its totient is φ = 1134158704.

The previous prime is 1135040549. The next prime is 1135040579. The reversal of 1135040551 is 1550405311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1135040551 - 2¹ = 1135040549 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 (1135040531) 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, 438991 + ... + 441568.

It is an arithmetic number, because the mean of its divisors is an integer number (283980600).

Almost surely, 2^1135040551 is an apocalyptic number.

1135040551 is a deficient number, since it is larger than the sum of its proper divisors (881849).

1135040551 is an equidigital number, since it uses as much as digits as its factorization.

1135040551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881848.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1135040551 is about 33690.3628802066. The cubic root of 1135040551 is about 1043.1268538944.

Adding to 1135040551 its reverse (1550405311), we get a palindrome (2685445862).

The spelling of 1135040551 in words is "one billion, one hundred thirty-five million, forty thousand, five hundred fifty-one".