158538508050 has 48 divisors (see below), whose sum is σ = 423419774400. Its totient is φ = 39024863040.

The previous prime is 158538508049. The next prime is 158538508067. The reversal of 158538508050 is 50805835851.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40648950 + ... + 40652849.

It is an arithmetic number, because the mean of its divisors is an integer number (8821245300).

Almost surely, 2^158538508050 is an apocalyptic number.

158538508050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158538508050 is an abundant number, since it is smaller than the sum of its proper divisors (264881266350).

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

158538508050 is a wasteful number, since it uses less digits than its factorization.

158538508050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81301827 (or 81301822 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 48.

The spelling of 158538508050 in words is "one hundred fifty-eight billion, five hundred thirty-eight million, five hundred eight thousand, fifty".