5551072142 has 16 divisors (see below), whose sum is σ = 10381226112. Its totient is φ = 2162755320.

The previous prime is 5551072139. The next prime is 5551072159. The reversal of 5551072142 is 2412701555.

It is a junction number, because it is equal to n+sod(n) for n = 5551072099 and 5551072108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18022808 + ... + 18023115.

It is an arithmetic number, because the mean of its divisors is an integer number (648826632).

Almost surely, 2^5551072142 is an apocalyptic number.

5551072142 is a deficient number, since it is larger than the sum of its proper divisors (4830153970).

5551072142 is a wasteful number, since it uses less digits than its factorization.

5551072142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36045943.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 5551072142 is about 74505.5175272275. The cubic root of 5551072142 is about 1770.6210533005.

Adding to 5551072142 its reverse (2412701555), we get a palindrome (7963773697).

The spelling of 5551072142 in words is "five billion, five hundred fifty-one million, seventy-two thousand, one hundred forty-two".