1142533011 has 8 divisors (see below), whose sum is σ = 1555789824. Its totient is φ = 745482440.

The previous prime is 1142532973. The next prime is 1142533013. The reversal of 1142533011 is 1103352411.

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 1142533011 - 2⁹ = 1142532499 is a prime.

It is a super-2 number, since 2×1142533011² = 2610763362449452242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142533013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051395 + ... + 4051676.

It is an arithmetic number, because the mean of its divisors is an integer number (194473728).

Almost surely, 2^1142533011 is an apocalyptic number.

1142533011 is a deficient number, since it is larger than the sum of its proper divisors (413256813).

1142533011 is an equidigital number, since it uses as much as digits as its factorization.

1142533011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103121.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1142533011 is about 33801.3758743635. The cubic root of 1142533011 is about 1045.4170663407.

Adding to 1142533011 its reverse (1103352411), we get a palindrome (2245885422).

The spelling of 1142533011 in words is "one billion, one hundred forty-two million, five hundred thirty-three thousand, eleven".