1140552605 has 4 divisors (see below), whose sum is σ = 1368663132. Its totient is φ = 912442080.

The previous prime is 1140552587. The next prime is 1140552613. The reversal of 1140552605 is 5062550411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5062550411 = 17 ⋅297797083.

It can be written as a sum of positive squares in 2 ways, for example, as 117896164 + 1022656441 = 10858^2 + 31979^2 .

It is not a de Polignac number, because 1140552605 - 2¹² = 1140548509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114055256 + ... + 114055265.

It is an arithmetic number, because the mean of its divisors is an integer number (342165783).

Almost surely, 2^1140552605 is an apocalyptic number.

It is an amenable number.

1140552605 is a deficient number, since it is larger than the sum of its proper divisors (228110527).

1140552605 is an equidigital number, since it uses as much as digits as its factorization.

1140552605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228110526.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1140552605 is about 33772.0684145937. The cubic root of 1140552605 is about 1044.8126935492.

The spelling of 1140552605 in words is "one billion, one hundred forty million, five hundred fifty-two thousand, six hundred five".