50561110005100 has 72 divisors (see below), whose sum is σ = 119474710160400. Its totient is φ = 18499309920000.

The previous prime is 50561110005089. The next prime is 50561110005103. The reversal of 50561110005100 is 150001116505.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (50561110005103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458757151 + ... + 458867350.

It is an arithmetic number, because the mean of its divisors is an integer number (1659370974450).

Almost surely, 2^{50561110005100} is an apocalyptic number.

50561110005100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50561110005100 is an abundant number, since it is smaller than the sum of its proper divisors (68913600155300).

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

50561110005100 is a wasteful number, since it uses less digits than its factorization.

50561110005100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917624563 (or 917624556 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 50561110005100 in words is "fifty trillion, five hundred sixty-one billion, one hundred ten million, five thousand, one hundred".