150326511165561 has 8 divisors (see below), whose sum is σ = 203721173601664. Its totient is φ = 98574761419920.

The previous prime is 150326511165559. The next prime is 150326511165583. The reversal of 150326511165561 is 165561115623051.

It is a happy number.

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

It is not a de Polignac number, because 150326511165561 - 2¹ = 150326511165559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150326511165561.

It is not an unprimeable number, because it can be changed into a prime (150326511165511) 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, 410728172401 + ... + 410728172766.

It is an arithmetic number, because the mean of its divisors is an integer number (25465146700208).

Almost surely, 2^{150326511165561} is an apocalyptic number.

It is an amenable number.

150326511165561 is a deficient number, since it is larger than the sum of its proper divisors (53394662436103).

150326511165561 is an equidigital number, since it uses as much as digits as its factorization.

150326511165561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821456345231.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 150326511165561 in words is "one hundred fifty trillion, three hundred twenty-six billion, five hundred eleven million, one hundred sixty-five thousand, five hundred sixty-one".