150485353121 has 4 divisors (see below), whose sum is σ = 152036748612. Its totient is φ = 148933957632.

The previous prime is 150485353093. The next prime is 150485353129. The reversal of 150485353121 is 121353584051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121353584051 = 7 ⋅17336226293.

It can be written as a sum of positive squares in 2 ways, for example, as 30378747025 + 120106606096 = 174295^2 + 346564^2 .

It is a cyclic number.

It is not a de Polignac number, because 150485353121 - 2²⁶ = 150418244257 is a prime.

It is a super-3 number, since 3×150485353121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150485353129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775697600 + ... + 775697793.

It is an arithmetic number, because the mean of its divisors is an integer number (38009187153).

Almost surely, 2^150485353121 is an apocalyptic number.

It is an amenable number.

150485353121 is a deficient number, since it is larger than the sum of its proper divisors (1551395491).

150485353121 is an equidigital number, since it uses as much as digits as its factorization.

150485353121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551395490.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 150485353121 in words is "one hundred fifty billion, four hundred eighty-five million, three hundred fifty-three thousand, one hundred twenty-one".