1152534531442 has 16 divisors (see below), whose sum is σ = 1976137007040. Its totient is φ = 493852489488.

The previous prime is 1152534531431. The next prime is 1152534531443. The reversal of 1152534531442 is 2441354352511.

It is a junction number, because it is equal to n+sod(n) for n = 1152534531395 and 1152534531404.

It is not an unprimeable number, because it can be changed into a prime (1152534531443) 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, 7494592 + ... + 7646827.

It is an arithmetic number, because the mean of its divisors is an integer number (123508562940).

Almost surely, 2^{1152534531442} is an apocalyptic number.

1152534531442 is a deficient number, since it is larger than the sum of its proper divisors (823602475598).

1152534531442 is a wasteful number, since it uses less digits than its factorization.

1152534531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146865.

The product of its digits is 288000, while the sum is 40.

Adding to 1152534531442 its reverse (2441354352511), we get a palindrome (3593888883953).

The spelling of 1152534531442 in words is "one trillion, one hundred fifty-two billion, five hundred thirty-four million, five hundred thirty-one thousand, four hundred forty-two".