51142632403 has 8 divisors (see below), whose sum is σ = 51467144528. Its totient is φ = 50818251744.

The previous prime is 51142632379. The next prime is 51142632427. The reversal of 51142632403 is 30423624115.

It is an interprime number because it is at equal distance from previous prime (51142632379) and next prime (51142632427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51142632403 - 2¹⁷ = 51142501331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51142632493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816925 + ... + 877297.

It is an arithmetic number, because the mean of its divisors is an integer number (6433393066).

Almost surely, 2^51142632403 is an apocalyptic number.

51142632403 is a deficient number, since it is larger than the sum of its proper divisors (324512125).

51142632403 is a wasteful number, since it uses less digits than its factorization.

51142632403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65733.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 51142632403 in words is "fifty-one billion, one hundred forty-two million, six hundred thirty-two thousand, four hundred three".