51430433155 has 16 divisors (see below), whose sum is σ = 64187079264. Its totient is φ = 39528679680.

The previous prime is 51430433141. The next prime is 51430433191. The reversal of 51430433155 is 55133403415.

It is not a de Polignac number, because 51430433155 - 2¹³ = 51430424963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51430433155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947634 + ... + 1973863.

It is an arithmetic number, because the mean of its divisors is an integer number (4011692454).

Almost surely, 2^51430433155 is an apocalyptic number.

51430433155 is a deficient number, since it is larger than the sum of its proper divisors (12756646109).

51430433155 is a wasteful number, since it uses less digits than its factorization.

51430433155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921606.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 51430433155 in words is "fifty-one billion, four hundred thirty million, four hundred thirty-three thousand, one hundred fifty-five".