5111403881 has 2 divisors, whose sum is σ = 5111403882. Its totient is φ = 5111403880.

The previous prime is 5111403841. The next prime is 5111403911. The reversal of 5111403881 is 1883041115.

5111403881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5038728256 + 72675625 = 70984^2 + 8525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111403881 is a prime.

It is a super-2 number, since 2×5111403881² = 52252899269403724322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5111403841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555701940 + 2555701941.

It is an arithmetic number, because the mean of its divisors is an integer number (2555701941).

Almost surely, 2^5111403881 is an apocalyptic number.

It is an amenable number.

5111403881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111403881 is an equidigital number, since it uses as much as digits as its factorization.

5111403881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 5111403881 is about 71494.0828390714. The cubic root of 5111403881 is about 1722.5826399881.

Adding to 5111403881 its reverse (1883041115), we get a palindrome (6994444996).

The spelling of 5111403881 in words is "five billion, one hundred eleven million, four hundred three thousand, eight hundred eighty-one".