51145235514426 has 16 divisors (see below), whose sum is σ = 102820473471744. Its totient is φ = 16960078097664.

The previous prime is 51145235514409. The next prime is 51145235514431. The reversal of 51145235514426 is 62441553254115.

It is a super-2 number, since 2×51145235514426² (a number of 28 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 22083433866 + ... + 22083436181.

It is an arithmetic number, because the mean of its divisors is an integer number (6426279591984).

Almost surely, 2^{51145235514426} is an apocalyptic number.

51145235514426 is an abundant number, since it is smaller than the sum of its proper divisors (51675237957318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51145235514426 is a wasteful number, since it uses less digits than its factorization.

51145235514426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44166870245.

The product of its digits is 2880000, while the sum is 48.

The spelling of 51145235514426 in words is "fifty-one trillion, one hundred forty-five billion, two hundred thirty-five million, five hundred fourteen thousand, four hundred twenty-six".