1531042541208 has 80 divisors (see below), whose sum is σ = 4347081220680. Its totient is φ = 503356436352.

The previous prime is 1531042541177. The next prime is 1531042541213. The reversal of 1531042541208 is 8021452401351.

1531042541208 is a `hidden beast` number, since 1 + 5 + 3 + 104 + 2 + 541 + 2 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16135710 + ... + 16230317.

Almost surely, 2^{1531042541208} is an apocalyptic number.

1531042541208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1531042541208 is an abundant number, since it is smaller than the sum of its proper divisors (2816038679472).

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

1531042541208 is a wasteful number, since it uses less digits than its factorization.

1531042541208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32366118 (or 32366105 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 1531042541208 its reverse (8021452401351), we get a palindrome (9552494942559).

The spelling of 1531042541208 in words is "one trillion, five hundred thirty-one billion, forty-two million, five hundred forty-one thousand, two hundred eight".