150216770111220 has 36 divisors (see below), whose sum is σ = 455657536004580. Its totient is φ = 40057805362944.

The previous prime is 150216770111197. The next prime is 150216770111227. The reversal of 150216770111220 is 22111077612051.

It is a happy number.

150216770111220 is a `hidden beast` number, since 1 + 502 + 1 + 67 + 70 + 1 + 1 + 1 + 2 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104058850453776 + 46157919657444 = 10200924^2 + 6793962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150216770111227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417268805685 + ... + 417268806044.

It is an arithmetic number, because the mean of its divisors is an integer number (12657153777905).

Almost surely, 2^{150216770111220} is an apocalyptic number.

150216770111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150216770111220 is an abundant number, since it is smaller than the sum of its proper divisors (305440765893360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150216770111220 is a wasteful number, since it uses less digits than its factorization.

150216770111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834537611744 (or 834537611739 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The spelling of 150216770111220 in words is "one hundred fifty trillion, two hundred sixteen billion, seven hundred seventy million, one hundred eleven thousand, two hundred twenty".