51132081141 has 14 divisors (see below), whose sum is σ = 76663052790. Its totient is φ = 34088053608.

The previous prime is 51132081127. The next prime is 51132081151. The reversal of 51132081141 is 14118023115.

51132081141 is a `hidden beast` number, since 511 + 3 + 2 + 0 + 8 + 1 + 141 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26226506916 + 24905574225 = 161946^2 + 157815^2 .

It is not a de Polignac number, because 51132081141 - 2¹⁰ = 51132080117 is a prime.

It is a super-2 number, since 2×51132081141² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132081151) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 35069286 + ... + 35070743.

Almost surely, 2^51132081141 is an apocalyptic number.

It is an amenable number.

51132081141 is a deficient number, since it is larger than the sum of its proper divisors (25530971649).

51132081141 is an frugal number, since it uses more digits than its factorization.

51132081141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70140047 (or 70140032 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The spelling of 51132081141 in words is "fifty-one billion, one hundred thirty-two million, eighty-one thousand, one hundred forty-one".