1011153441 has 32 divisors (see below), whose sum is σ = 1405739520. Its totient is φ = 646078464.

The previous prime is 1011153431. The next prime is 1011153449. The reversal of 1011153441 is 1443511101.

It is not a de Polignac number, because 1011153441 - 2²⁷ = 876935713 is a prime.

It is a super-2 number, since 2×1011153441² = 2044862562492280962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1011153449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1986295 + ... + 1986803.

It is an arithmetic number, because the mean of its divisors is an integer number (43929360).

Almost surely, 2^1011153441 is an apocalyptic number.

It is an amenable number.

1011153441 is a deficient number, since it is larger than the sum of its proper divisors (394586079).

1011153441 is a wasteful number, since it uses less digits than its factorization.

1011153441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1011153441 is about 31798.6389803086. The cubic root of 1011153441 is about 1003.7040765434.

Adding to 1011153441 its reverse (1443511101), we get a palindrome (2454664542).

The spelling of 1011153441 in words is "one billion, eleven million, one hundred fifty-three thousand, four hundred forty-one".