5111141420531 has 4 divisors (see below), whose sum is σ = 5113675453992. Its totient is φ = 5108607387072.

The previous prime is 5111141420471. The next prime is 5111141420533. The reversal of 5111141420531 is 1350241411115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5111141420531 - 2²⁶ = 5111074311667 is a prime.

It is a super-2 number, since 2×5111141420531² (a number of 26 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 = 5111141420494 and 5111141420503.

It is not an unprimeable number, because it can be changed into a prime (5111141420533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267013705 + ... + 1267017738.

It is an arithmetic number, because the mean of its divisors is an integer number (1278418863498).

Almost surely, 2^{5111141420531} is an apocalyptic number.

5111141420531 is a deficient number, since it is larger than the sum of its proper divisors (2534033461).

5111141420531 is a wasteful number, since it uses less digits than its factorization.

5111141420531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534033460.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 5111141420531 its reverse (1350241411115), we get a palindrome (6461382831646).

The spelling of 5111141420531 in words is "five trillion, one hundred eleven billion, one hundred forty-one million, four hundred twenty thousand, five hundred thirty-one".