5111280072126 has 32 divisors (see below), whose sum is σ = 11403652780800. Its totient is φ = 1696972131000.

The previous prime is 5111280072121. The next prime is 5111280072163. The reversal of 5111280072126 is 6212700821115.

It is a happy number.

5111280072126 is a `hidden beast` number, since 511 + 12 + 8 + 0 + 0 + 7 + 2 + 126 = 666.

It is a super-2 number, since 2×5111280072126² (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 (5111280072121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188538906 + ... + 188566013.

It is an arithmetic number, because the mean of its divisors is an integer number (356364149400).

Almost surely, 2^{5111280072126} is an apocalyptic number.

5111280072126 is an abundant number, since it is smaller than the sum of its proper divisors (6292372708674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111280072126 is a wasteful number, since it uses less digits than its factorization.

5111280072126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377105181 (or 377105175 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 5111280072126 in words is "five trillion, one hundred eleven billion, two hundred eighty million, seventy-two thousand, one hundred twenty-six".