51154635412 has 12 divisors (see below), whose sum is σ = 91602486976. Its totient is φ = 24982496280.

The previous prime is 51154635403. The next prime is 51154635419. The reversal of 51154635412 is 21453645115.

51154635412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51154635419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148705164 + ... + 148705507.

Almost surely, 2^51154635412 is an apocalyptic number.

It is an amenable number.

51154635412 is a deficient number, since it is larger than the sum of its proper divisors (40447851564).

51154635412 is a wasteful number, since it uses less digits than its factorization.

51154635412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297410718 (or 297410716 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 51154635412 in words is "fifty-one billion, one hundred fifty-four million, six hundred thirty-five thousand, four hundred twelve".