531254551155 has 16 divisors (see below), whose sum is σ = 900007710624. Its totient is φ = 266668951040.

The previous prime is 531254551127. The next prime is 531254551199. The reversal of 531254551155 is 551155452135.

It is not a de Polignac number, because 531254551155 - 2⁵ = 531254551123 is a prime.

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, 1041675336 + ... + 1041675845.

It is an arithmetic number, because the mean of its divisors is an integer number (56250481914).

Almost surely, 2^531254551155 is an apocalyptic number.

531254551155 is a deficient number, since it is larger than the sum of its proper divisors (368753159469).

531254551155 is a wasteful number, since it uses less digits than its factorization.

531254551155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083351206.

The product of its digits is 375000, while the sum is 42.

The spelling of 531254551155 in words is "five hundred thirty-one billion, two hundred fifty-four million, five hundred fifty-one thousand, one hundred fifty-five".