55315403121131 has 8 divisors (see below), whose sum is σ = 55400884429200. Its totient is φ = 55229927243040.

The previous prime is 55315403121119. The next prime is 55315403121151. The reversal of 55315403121131 is 13112130451355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55315403121131 is a prime.

It is a super-2 number, since 2×55315403121131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55315403121091 and 55315403121100.

It is not an unprimeable number, because it can be changed into a prime (55315403121151) 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, 19274360 + ... + 21957498.

It is an arithmetic number, because the mean of its divisors is an integer number (6925110553650).

Almost surely, 2^{55315403121131} is an apocalyptic number.

55315403121131 is a deficient number, since it is larger than the sum of its proper divisors (85481308069).

55315403121131 is a wasteful number, since it uses less digits than its factorization.

55315403121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714989.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 55315403121131 its reverse (13112130451355), we get a palindrome (68427533572486).

The spelling of 55315403121131 in words is "fifty-five trillion, three hundred fifteen billion, four hundred three million, one hundred twenty-one thousand, one hundred thirty-one".