5111061110644 has 12 divisors (see below), whose sum is σ = 8945867090944. Its totient is φ = 2555099084664.

The previous prime is 5111061110641. The next prime is 5111061110723. The reversal of 5111061110644 is 4460111601115.

It is a super-2 number, since 2×5111061110644² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111061110641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107841012 + ... + 107888395.

Almost surely, 2^{5111061110644} is an apocalyptic number.

It is an amenable number.

5111061110644 is a deficient number, since it is larger than the sum of its proper divisors (3834805980300).

5111061110644 is a wasteful number, since it uses less digits than its factorization.

5111061110644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215735334 (or 215735332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

Adding to 5111061110644 its reverse (4460111601115), we get a palindrome (9571172711759).

The spelling of 5111061110644 in words is "five trillion, one hundred eleven billion, sixty-one million, one hundred ten thousand, six hundred forty-four".