150545111113221 has 32 divisors (see below), whose sum is σ = 222884356423680. Its totient is φ = 89619995102400.

The previous prime is 150545111113219. The next prime is 150545111113279. The reversal of 150545111113221 is 122311111545051.

It is not a de Polignac number, because 150545111113221 - 2¹ = 150545111113219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150545111113121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118799365 + ... + 120059898.

It is an arithmetic number, because the mean of its divisors is an integer number (6965136138240).

Almost surely, 2^{150545111113221} is an apocalyptic number.

150545111113221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150545111113221 is a deficient number, since it is larger than the sum of its proper divisors (72339245310459).

150545111113221 is a wasteful number, since it uses less digits than its factorization.

150545111113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238859617.

The product of its (nonzero) digits is 6000, while the sum is 33.

Adding to 150545111113221 its reverse (122311111545051), we get a palindrome (272856222658272).

The spelling of 150545111113221 in words is "one hundred fifty trillion, five hundred forty-five billion, one hundred eleven million, one hundred thirteen thousand, two hundred twenty-one".