1154053011 has 4 divisors (see below), whose sum is σ = 1538737352. Its totient is φ = 769368672.

The previous prime is 1154053009. The next prime is 1154053013. The reversal of 1154053011 is 1103504511.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1154053009) and next prime (1154053013).

It is not a de Polignac number, because 1154053011 - 2¹ = 1154053009 is a prime.

It is a super-2 number, since 2×1154053011² = 2663676704396332242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154053013) 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, 192342166 + ... + 192342171.

It is an arithmetic number, because the mean of its divisors is an integer number (384684338).

Almost surely, 2^1154053011 is an apocalyptic number.

1154053011 is a deficient number, since it is larger than the sum of its proper divisors (384684341).

1154053011 is an equidigital number, since it uses as much as digits as its factorization.

1154053011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384684340.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1154053011 is about 33971.3557427430. The cubic root of 1154053011 is about 1048.9189208639.

Adding to 1154053011 its reverse (1103504511), we get a palindrome (2257557522).

The spelling of 1154053011 in words is "one billion, one hundred fifty-four million, fifty-three thousand, eleven".