51001543132 has 6 divisors (see below), whose sum is σ = 89252700488. Its totient is φ = 25500771564.

The previous prime is 51001543067. The next prime is 51001543163. The reversal of 51001543132 is 23134510015.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51001543097 and 51001543106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6375192888 + ... + 6375192895.

Almost surely, 2^51001543132 is an apocalyptic number.

It is an amenable number.

51001543132 is a deficient number, since it is larger than the sum of its proper divisors (38251157356).

51001543132 is a wasteful number, since it uses less digits than its factorization.

51001543132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750385787 (or 12750385785 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 51001543132 in words is "fifty-one billion, one million, five hundred forty-three thousand, one hundred thirty-two".