150405039999 has 8 divisors (see below), whose sum is σ = 222822281520. Its totient is φ = 100270026648.

The previous prime is 150405039943. The next prime is 150405040001. The reversal of 150405039999 is 999930504051.

150405039999 is a `hidden beast` number, since 1 + 5 + 0 + 40 + 503 + 9 + 9 + 99 = 666.

It is not a de Polignac number, because 150405039999 - 2²⁷ = 150270822271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150405039919) 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, 2785278492 + ... + 2785278545.

It is an arithmetic number, because the mean of its divisors is an integer number (27852785190).

Almost surely, 2^150405039999 is an apocalyptic number.

150405039999 is a deficient number, since it is larger than the sum of its proper divisors (72417241521).

150405039999 is an equidigital number, since it uses as much as digits as its factorization.

150405039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570557046 (or 5570557040 counting only the distinct ones).

The product of its (nonzero) digits is 1968300, while the sum is 54.

The spelling of 150405039999 in words is "one hundred fifty billion, four hundred five million, thirty-nine thousand, nine hundred ninety-nine".