50161155000 has 480 divisors, whose sum is σ = 178370715600. Its totient is φ = 11728640000.

The previous prime is 50161154983. The next prime is 50161155001. The reversal of 50161155000 is 55116105.

It is a super-2 number, since 2×50161155000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50161155001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 52634524 + ... + 52635476.

Almost surely, 2^50161155000 is an apocalyptic number.

50161155000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50161155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89185357800).

50161155000 is an abundant number, since it is smaller than the sum of its proper divisors (128209560600).

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

50161155000 is a wasteful number, since it uses less digits than its factorization.

50161155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 50161155000 in words is "fifty billion, one hundred sixty-one million, one hundred fifty-five thousand".