150801278209 has 8 divisors (see below), whose sum is σ = 152019314568. Its totient is φ = 149584942080.

The previous prime is 150801278207. The next prime is 150801278219. The reversal of 150801278209 is 902872108051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29942841600 + 120858436609 = 173040^2 + 347647^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 150801278209 - 2¹ = 150801278207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150801278203) 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, 246652 + ... + 602029.

It is an arithmetic number, because the mean of its divisors is an integer number (19002414321).

Almost surely, 2^150801278209 is an apocalyptic number.

It is an amenable number.

150801278209 is a deficient number, since it is larger than the sum of its proper divisors (1218036359).

150801278209 is a wasteful number, since it uses less digits than its factorization.

150801278209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850115.

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 150801278209 in words is "one hundred fifty billion, eight hundred one million, two hundred seventy-eight thousand, two hundred nine".