51105011404 has 6 divisors (see below), whose sum is σ = 89433769964. Its totient is φ = 25552505700.

The previous prime is 51105011401. The next prime is 51105011449. The reversal of 51105011404 is 40411050115.

It is a happy number.

51105011404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51105011404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51105011401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388126422 + ... + 6388126429.

Almost surely, 2^51105011404 is an apocalyptic number.

It is an amenable number.

51105011404 is a deficient number, since it is larger than the sum of its proper divisors (38328758560).

51105011404 is a wasteful number, since it uses less digits than its factorization.

51105011404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776252855 (or 12776252853 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 51105011404 its reverse (40411050115), we get a palindrome (91516061519).

The spelling of 51105011404 in words is "fifty-one billion, one hundred five million, eleven thousand, four hundred four".