51133415154 has 32 divisors (see below), whose sum is σ = 104224993920. Its totient is φ = 16718287872.

The previous prime is 51133415153. The next prime is 51133415161. The reversal of 51133415154 is 45151433115.

It is a happy number.

It is a super-2 number, since 2×51133415154² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51133415153) 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, 1254162 + ... + 1294290.

It is an arithmetic number, because the mean of its divisors is an integer number (3257031060).

Almost surely, 2^51133415154 is an apocalyptic number.

51133415154 is an abundant number, since it is smaller than the sum of its proper divisors (53091578766).

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

51133415154 is a wasteful number, since it uses less digits than its factorization.

51133415154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44194.

The product of its digits is 18000, while the sum is 33.

Adding to 51133415154 its reverse (45151433115), we get a palindrome (96284848269).

The spelling of 51133415154 in words is "fifty-one billion, one hundred thirty-three million, four hundred fifteen thousand, one hundred fifty-four".