51625144156 has 6 divisors (see below), whose sum is σ = 90344002280. Its totient is φ = 25812572076.

The previous prime is 51625144147. The next prime is 51625144159. The reversal of 51625144156 is 65144152615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51625144159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453143016 + ... + 6453143023.

Almost surely, 2^51625144156 is an apocalyptic number.

It is an amenable number.

51625144156 is a deficient number, since it is larger than the sum of its proper divisors (38718858124).

51625144156 is a wasteful number, since it uses less digits than its factorization.

51625144156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906286043 (or 12906286041 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 51625144156 in words is "fifty-one billion, six hundred twenty-five million, one hundred forty-four thousand, one hundred fifty-six".