1535151253542 has 32 divisors (see below), whose sum is σ = 3103661064192. Its totient is φ = 506181239424.

The previous prime is 1535151253507. The next prime is 1535151253553. The reversal of 1535151253542 is 2453521515351.

It is a junction number, because it is equal to n+sod(n) for n = 1535151253494 and 1535151253503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2732278 + ... + 3245865.

It is an arithmetic number, because the mean of its divisors is an integer number (96989408256).

Almost surely, 2^{1535151253542} is an apocalyptic number.

1535151253542 is an abundant number, since it is smaller than the sum of its proper divisors (1568509810650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1535151253542 is a wasteful number, since it uses less digits than its factorization.

1535151253542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978612.

The product of its digits is 450000, while the sum is 42.

Adding to 1535151253542 its reverse (2453521515351), we get a palindrome (3988672768893).

The spelling of 1535151253542 in words is "one trillion, five hundred thirty-five billion, one hundred fifty-one million, two hundred fifty-three thousand, five hundred forty-two".