1535542541212 has 12 divisors (see below), whose sum is σ = 2845270002960. Its totient is φ = 722608254656.

The previous prime is 1535542541201. The next prime is 1535542541227. The reversal of 1535542541212 is 2121452455351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11290753912 + ... + 11290754047.

It is an arithmetic number, because the mean of its divisors is an integer number (237105833580).

Almost surely, 2^{1535542541212} is an apocalyptic number.

It is an amenable number.

1535542541212 is a deficient number, since it is larger than the sum of its proper divisors (1309727461748).

1535542541212 is a wasteful number, since it uses less digits than its factorization.

1535542541212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581507980 (or 22581507978 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

Adding to 1535542541212 its reverse (2121452455351), we get a palindrome (3656994996563).

The spelling of 1535542541212 in words is "one trillion, five hundred thirty-five billion, five hundred forty-two million, five hundred forty-one thousand, two hundred twelve".