155131320304004 has 12 divisors (see below), whose sum is σ = 296159793307728. Its totient is φ = 70514236501800.

The previous prime is 155131320303997. The next prime is 155131320304057. The reversal of 155131320304004 is 400403023131551.

It is a super-3 number, since 3×155131320304004³ (a number of 44 digits) contains 333 as substring.

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, 1762855912502 + ... + 1762855912589.

It is an arithmetic number, because the mean of its divisors is an integer number (24679982775644).

Almost surely, 2^{155131320304004} is an apocalyptic number.

It is an amenable number.

155131320304004 is a deficient number, since it is larger than the sum of its proper divisors (141028473003724).

155131320304004 is a wasteful number, since it uses less digits than its factorization.

155131320304004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525711825106 (or 3525711825104 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 155131320304004 its reverse (400403023131551), we get a palindrome (555534343435555).

The spelling of 155131320304004 in words is "one hundred fifty-five trillion, one hundred thirty-one billion, three hundred twenty million, three hundred four thousand, four".