150520317549 has 16 divisors (see below), whose sum is σ = 229370107008. Its totient is φ = 86009429952.

The previous prime is 150520317539. The next prime is 150520317551. The reversal of 150520317549 is 945713025051.

It is a happy number.

It is not a de Polignac number, because 150520317549 - 2⁵ = 150520317517 is a prime.

It is a super-3 number, since 3×150520317549³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150520317549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150520317539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154379 + ... + 1278135.

It is an arithmetic number, because the mean of its divisors is an integer number (14335631688).

Almost surely, 2^150520317549 is an apocalyptic number.

It is an amenable number.

150520317549 is a deficient number, since it is larger than the sum of its proper divisors (78849789459).

150520317549 is a wasteful number, since it uses less digits than its factorization.

150520317549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181684.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 150520317549 in words is "one hundred fifty billion, five hundred twenty million, three hundred seventeen thousand, five hundred forty-nine".