103405502556 has 24 divisors (see below), whose sum is σ = 268088340240. Its totient is φ = 34468500816.

The previous prime is 103405502527. The next prime is 103405502579. The reversal of 103405502556 is 655205504301.

103405502556 is a `hidden beast` number, since 1 + 0 + 34 + 0 + 550 + 25 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 103405502556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478729071 + ... + 478729286.

It is an arithmetic number, because the mean of its divisors is an integer number (11170347510).

Almost surely, 2^103405502556 is an apocalyptic number.

It is an amenable number.

103405502556 is an abundant number, since it is smaller than the sum of its proper divisors (164682837684).

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

103405502556 is a wasteful number, since it uses less digits than its factorization.

103405502556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957458370 (or 957458362 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 103405502556 in words is "one hundred three billion, four hundred five million, five hundred two thousand, five hundred fifty-six".