150781813521117 has 8 divisors (see below), whose sum is σ = 201046070178720. Its totient is φ = 100519382938800.

The previous prime is 150781813521077. The next prime is 150781813521187. The reversal of 150781813521117 is 711125318187051.

150781813521117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-150781813521117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150781813521117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150781813521187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456326142 + ... + 456656447.

It is an arithmetic number, because the mean of its divisors is an integer number (25130758772340).

Almost surely, 2^{150781813521117} is an apocalyptic number.

It is an amenable number.

150781813521117 is a deficient number, since it is larger than the sum of its proper divisors (50264256657603).

150781813521117 is an equidigital number, since it uses as much as digits as its factorization.

150781813521117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913037643.

The product of its (nonzero) digits is 470400, while the sum is 51.

The spelling of 150781813521117 in words is "one hundred fifty trillion, seven hundred eighty-one billion, eight hundred thirteen million, five hundred twenty-one thousand, one hundred seventeen".