1135023155 has 8 divisors (see below), whose sum is σ = 1556603232. Its totient is φ = 778301568.

The previous prime is 1135023133. The next prime is 1135023161. The reversal of 1135023155 is 5513205311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135023155 - 2¹⁶ = 1134957619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16214582 + ... + 16214651.

It is an arithmetic number, because the mean of its divisors is an integer number (194575404).

Almost surely, 2^1135023155 is an apocalyptic number.

1135023155 is a deficient number, since it is larger than the sum of its proper divisors (421580077).

1135023155 is an equidigital number, since it uses as much as digits as its factorization.

1135023155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32429245.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1135023155 is about 33690.1047044974. The cubic root of 1135023155 is about 1043.1215247669.

Adding to 1135023155 its reverse (5513205311), we get a palindrome (6648228466).

The spelling of 1135023155 in words is "one billion, one hundred thirty-five million, twenty-three thousand, one hundred fifty-five".