51155331141 has 16 divisors (see below), whose sum is σ = 69269004288. Its totient is φ = 33576706800.

The previous prime is 51155331137. The next prime is 51155331151. The reversal of 51155331141 is 14113355115.

It is not a de Polignac number, because 51155331141 - 2² = 51155331137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51155331099 and 51155331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51155331121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462555 + ... + 562376.

It is an arithmetic number, because the mean of its divisors is an integer number (4329312768).

Almost surely, 2^51155331141 is an apocalyptic number.

It is an amenable number.

51155331141 is a deficient number, since it is larger than the sum of its proper divisors (18113673147).

51155331141 is a wasteful number, since it uses less digits than its factorization.

51155331141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025192.

The product of its digits is 4500, while the sum is 30.

Adding to 51155331141 its reverse (14113355115), we get a palindrome (65268686256).

The spelling of 51155331141 in words is "fifty-one billion, one hundred fifty-five million, three hundred thirty-one thousand, one hundred forty-one".