1142735511 has 8 divisors (see below), whose sum is σ = 1523803504. Its totient is φ = 761745600.

The previous prime is 1142735471. The next prime is 1142735521. The reversal of 1142735511 is 1155372411.

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

It is not a de Polignac number, because 1142735511 - 2¹⁰ = 1142734487 is a prime.

It is a super-2 number, since 2×1142735511² = 2611688896200862242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142735521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47811 + ... + 67611.

It is an arithmetic number, because the mean of its divisors is an integer number (190475438).

Almost surely, 2^1142735511 is an apocalyptic number.

1142735511 is a deficient number, since it is larger than the sum of its proper divisors (381067993).

1142735511 is a wasteful number, since it uses less digits than its factorization.

1142735511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39041.

The product of its digits is 4200, while the sum is 30.

The square root of 1142735511 is about 33804.3711818457. The cubic root of 1142735511 is about 1045.4788251544.

The spelling of 1142735511 in words is "one billion, one hundred forty-two million, seven hundred thirty-five thousand, five hundred eleven".