150061556605 has 4 divisors (see below), whose sum is σ = 180073867932. Its totient is φ = 120049245280.

The previous prime is 150061556599. The next prime is 150061556633. The reversal of 150061556605 is 506655160051.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95077872409 + 54983684196 = 308347^2 + 234486^2 .

It is not a de Polignac number, because 150061556605 - 2¹⁷ = 150061425533 is a prime.

It is a super-3 number, since 3×150061556605³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15006155656 + ... + 15006155665.

It is an arithmetic number, because the mean of its divisors is an integer number (45018466983).

Almost surely, 2^150061556605 is an apocalyptic number.

It is an amenable number.

150061556605 is a deficient number, since it is larger than the sum of its proper divisors (30012311327).

150061556605 is an equidigital number, since it uses as much as digits as its factorization.

150061556605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30012311326.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 150061556605 in words is "one hundred fifty billion, sixty-one million, five hundred fifty-six thousand, six hundred five".