51134153821478 has 48 divisors (see below), whose sum is σ = 101144480134320. Its totient is φ = 19164217270464.

The previous prime is 51134153821447. The next prime is 51134153821483. The reversal of 51134153821478 is 87412835143115.

It is a super-2 number, since 2×51134153821478² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1056204701 + ... + 1056253112.

It is an arithmetic number, because the mean of its divisors is an integer number (2107176669465).

Almost surely, 2^{51134153821478} is an apocalyptic number.

51134153821478 is a deficient number, since it is larger than the sum of its proper divisors (50010326312842).

51134153821478 is a wasteful number, since it uses less digits than its factorization.

51134153821478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112457861 (or 2112457854 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The spelling of 51134153821478 in words is "fifty-one trillion, one hundred thirty-four billion, one hundred fifty-three million, eight hundred twenty-one thousand, four hundred seventy-eight".