51031154104 has 64 divisors (see below), whose sum is σ = 116565120000. Its totient is φ = 20457111168.

The previous prime is 51031154093. The next prime is 51031154129. The reversal of 51031154104 is 40145113015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219499 + ... + 387610.

It is an arithmetic number, because the mean of its divisors is an integer number (1821330000).

Almost surely, 2^51031154104 is an apocalyptic number.

It is an amenable number.

51031154104 is an abundant number, since it is smaller than the sum of its proper divisors (65533965896).

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

51031154104 is a wasteful number, since it uses less digits than its factorization.

51031154104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607220 (or 607216 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 51031154104 its reverse (40145113015), we get a palindrome (91176267119).

The spelling of 51031154104 in words is "fifty-one billion, thirty-one million, one hundred fifty-four thousand, one hundred four".