5111323105444 has 6 divisors (see below), whose sum is σ = 8944815434534. Its totient is φ = 2555661552720.

The previous prime is 5111323105439. The next prime is 5111323105451. The reversal of 5111323105444 is 4445013231115.

It can be written as a sum of positive squares in only one way, i.e., 5090158675044 + 21164430400 = 2256138^2 + 145480^2 .

It is a super-2 number, since 2×5111323105444² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638915388177 + ... + 638915388184.

Almost surely, 2^{5111323105444} is an apocalyptic number.

It is an amenable number.

5111323105444 is a deficient number, since it is larger than the sum of its proper divisors (3833492329090).

5111323105444 is a wasteful number, since it uses less digits than its factorization.

5111323105444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277830776365 (or 1277830776363 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 5111323105444 its reverse (4445013231115), we get a palindrome (9556336336559).

The spelling of 5111323105444 in words is "five trillion, one hundred eleven billion, three hundred twenty-three million, one hundred five thousand, four hundred forty-four".