83151505415550 has 96 divisors (see below), whose sum is σ = 242267435141760. Its totient is φ = 18607329878400.

The previous prime is 83151505415509. The next prime is 83151505415551. The reversal of 83151505415550 is 5551450515138.

It is a self number, because there is not a number n which added to its sum of digits gives 83151505415550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83151505415551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1938242080 + ... + 1938284979.

It is an arithmetic number, because the mean of its divisors is an integer number (2523619116060).

Almost surely, 2^{83151505415550} is an apocalyptic number.

83151505415550 is an abundant number, since it is smaller than the sum of its proper divisors (159115929726210).

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

83151505415550 is a wasteful number, since it uses less digits than its factorization.

83151505415550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876527098 (or 3876527093 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 48.

The spelling of 83151505415550 in words is "eighty-three trillion, one hundred fifty-one billion, five hundred five million, four hundred fifteen thousand, five hundred fifty".