72512919143 has 16 divisors (see below), whose sum is σ = 83506698240. Its totient is φ = 61679602656.

The previous prime is 72512919121. The next prime is 72512919223. The reversal of 72512919143 is 34191921527.

It is not a de Polignac number, because 72512919143 - 2⁶ = 72512919079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72512919094 and 72512919103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72512949143) 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, 421568 + ... + 568106.

It is an arithmetic number, because the mean of its divisors is an integer number (5219168640).

Almost surely, 2^72512919143 is an apocalyptic number.

72512919143 is a deficient number, since it is larger than the sum of its proper divisors (10993779097).

72512919143 is a wasteful number, since it uses less digits than its factorization.

72512919143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147086.

The product of its digits is 136080, while the sum is 44.

It can be divided in two parts, 72 and 512919143, that added together give a palindrome (512919215).

The spelling of 72512919143 in words is "seventy-two billion, five hundred twelve million, nine hundred nineteen thousand, one hundred forty-three".