5155143012 has 18 divisors (see below), whose sum is σ = 13031056038. Its totient is φ = 1718380992.

The previous prime is 5155142989. The next prime is 5155143101. The reversal of 5155143012 is 2103415515.

5155143012 is a `hidden beast` number, since 515 + 5 + 143 + 0 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4130118756 + 1025024256 = 64266^2 + 32016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×5155143012³ (a number of 30 digits) contains 333 as substring.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71599173 + ... + 71599244.

Almost surely, 2^5155143012 is an apocalyptic number.

It is an amenable number.

5155143012 is an abundant number, since it is smaller than the sum of its proper divisors (7875913026).

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

5155143012 is a wasteful number, since it uses less digits than its factorization.

5155143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143198427 (or 143198422 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5155143012 is about 71799.3245929236. The cubic root of 5155143012 is about 1727.4821662407.

Adding to 5155143012 its reverse (2103415515), we get a palindrome (7258558527).

The spelling of 5155143012 in words is "five billion, one hundred fifty-five million, one hundred forty-three thousand, twelve".