531544541053155 has 48 divisors (see below), whose sum is σ = 989627288336640. Its totient is φ = 242917228870848.

The previous prime is 531544541053103. The next prime is 531544541053213. The reversal of 531544541053155 is 551350145445135.

It is a happy number.

It is not a de Polignac number, because 531544541053155 - 2¹³ = 531544541044963 is a prime.

It is a super-3 number, since 3×531544541053155³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531544541053098 and 531544541053107.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108557359 + ... + 113348088.

It is an arithmetic number, because the mean of its divisors is an integer number (20617235173680).

Almost surely, 2^{531544541053155} is an apocalyptic number.

531544541053155 is a deficient number, since it is larger than the sum of its proper divisors (458082747283485).

531544541053155 is a wasteful number, since it uses less digits than its factorization.

531544541053155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221908728 (or 221908721 counting only the distinct ones).

The product of its (nonzero) digits is 9000000, while the sum is 51.

The spelling of 531544541053155 in words is "five hundred thirty-one trillion, five hundred forty-four billion, five hundred forty-one million, fifty-three thousand, one hundred fifty-five".