5111401045031 has 4 divisors (see below), whose sum is σ = 5111541031752. Its totient is φ = 5111261058312.

The previous prime is 5111401045007. The next prime is 5111401045033. The reversal of 5111401045031 is 1305401041115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111401045031 is a prime.

It is a super-2 number, since 2×5111401045031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111401045033) 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, 69938576 + ... + 70011621.

It is an arithmetic number, because the mean of its divisors is an integer number (1277885257938).

Almost surely, 2^{5111401045031} is an apocalyptic number.

5111401045031 is a deficient number, since it is larger than the sum of its proper divisors (139986721).

5111401045031 is a wasteful number, since it uses less digits than its factorization.

5111401045031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139986720.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 5111401045031 its reverse (1305401041115), we get a palindrome (6416802086146).

The spelling of 5111401045031 in words is "five trillion, one hundred eleven billion, four hundred one million, forty-five thousand, thirty-one".