150909811 has 4 divisors (see below), whose sum is σ = 162518272. Its totient is φ = 139301352.

The previous prime is 150909797. The next prime is 150909817. The reversal of 150909811 is 118909051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150909811 - 2¹⁷ = 150778739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150909817) 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, 5804211 + ... + 5804236.

It is an arithmetic number, because the mean of its divisors is an integer number (40629568).

Almost surely, 2^150909811 is an apocalyptic number.

150909811 is a deficient number, since it is larger than the sum of its proper divisors (11608461).

150909811 is a wasteful number, since it uses less digits than its factorization.

150909811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608460.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 150909811 is about 12284.5354409518. The cubic root of 150909811 is about 532.4013627024.

The spelling of 150909811 in words is "one hundred fifty million, nine hundred nine thousand, eight hundred eleven".