5111145543122 has 4 divisors (see below), whose sum is σ = 7666718314686. Its totient is φ = 2555572771560.

The previous prime is 5111145543107. The next prime is 5111145543149. The reversal of 5111145543122 is 2213455411115.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 3220413291601 + 1890732251521 = 1794551^2 + 1375039^2 .

It is a super-2 number, since 2×5111145543122² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277786385779 + ... + 1277786385782.

Almost surely, 2^{5111145543122} is an apocalyptic number.

5111145543122 is a deficient number, since it is larger than the sum of its proper divisors (2555572771564).

5111145543122 is a wasteful number, since it uses less digits than its factorization.

5111145543122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555572771563.

The product of its digits is 24000, while the sum is 35.

The spelling of 5111145543122 in words is "five trillion, one hundred eleven billion, one hundred forty-five million, five hundred forty-three thousand, one hundred twenty-two".