515551061150 has 24 divisors (see below), whose sum is σ = 963743710800. Its totient is φ = 205184136960.

The previous prime is 515551061149. The next prime is 515551061159. The reversal of 515551061150 is 51160155515.

It is a self number, because there is not a number n which added to its sum of digits gives 515551061150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515551061159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25897139 + ... + 25917038.

It is an arithmetic number, because the mean of its divisors is an integer number (40155987950).

Almost surely, 2^515551061150 is an apocalyptic number.

515551061150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

515551061150 is a deficient number, since it is larger than the sum of its proper divisors (448192649650).

515551061150 is a wasteful number, since it uses less digits than its factorization.

515551061150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51814388 (or 51814383 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 515551061150 in words is "five hundred fifteen billion, five hundred fifty-one million, sixty-one thousand, one hundred fifty".