51500060661150 has 36 divisors (see below), whose sum is σ = 138363496310832. Its totient is φ = 13733349509520.

The previous prime is 51500060661149. The next prime is 51500060661377. The reversal of 51500060661150 is 5116606000515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57222289174 + ... + 57222290073.

Almost surely, 2^{51500060661150} is an apocalyptic number.

51500060661150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51500060661150 is an abundant number, since it is smaller than the sum of its proper divisors (86863435649682).

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

51500060661150 is a wasteful number, since it uses less digits than its factorization.

51500060661150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114444579265 (or 114444579257 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 51500060661150 its reverse (5116606000515), we get a palindrome (56616666661665).

The spelling of 51500060661150 in words is "fifty-one trillion, five hundred billion, sixty million, six hundred sixty-one thousand, one hundred fifty".