5155542231 has 16 divisors (see below), whose sum is σ = 7861830144. Its totient is φ = 2943861984.

The previous prime is 5155542221. The next prime is 5155542239. The reversal of 5155542231 is 1322455515.

It is not a de Polignac number, because 5155542231 - 2⁶ = 5155542167 is a prime.

It is a super-2 number, since 2×5155542231² = 53159231391248914722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5155542192 and 5155542201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155542239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60571 + ... + 118236.

It is an arithmetic number, because the mean of its divisors is an integer number (491364384).

Almost surely, 2^5155542231 is an apocalyptic number.

5155542231 is a deficient number, since it is larger than the sum of its proper divisors (2706287913).

5155542231 is a wasteful number, since it uses less digits than its factorization.

5155542231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180190.

The product of its digits is 30000, while the sum is 33.

The square root of 5155542231 is about 71802.1046418557. The cubic root of 5155542231 is about 1727.5267576904.

Adding to 5155542231 its reverse (1322455515), we get a palindrome (6477997746).

The spelling of 5155542231 in words is "five billion, one hundred fifty-five million, five hundred forty-two thousand, two hundred thirty-one".