150511509990 has 48 divisors (see below), whose sum is σ = 405823633488. Its totient is φ = 40136402016.

The previous prime is 150511509977. The next prime is 150511510027. The reversal of 150511509990 is 99905115051.

150511509990 is a `hidden beast` number, since 1 + 5 + 0 + 51 + 1 + 509 + 9 + 90 = 666.

150511509990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30967017 + ... + 30971876.

It is an arithmetic number, because the mean of its divisors is an integer number (8454659031).

Almost surely, 2^150511509990 is an apocalyptic number.

150511509990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150511509990 is an abundant number, since it is smaller than the sum of its proper divisors (255312123498).

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

150511509990 is an equidigital number, since it uses as much as digits as its factorization.

150511509990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61938915 (or 61938903 counting only the distinct ones).

The product of its (nonzero) digits is 91125, while the sum is 45.

The spelling of 150511509990 in words is "one hundred fifty billion, five hundred eleven million, five hundred nine thousand, nine hundred ninety".