150221651055 has 64 divisors (see below), whose sum is σ = 278583072768. Its totient is φ = 67705159680.

The previous prime is 150221651029. The next prime is 150221651077. The reversal of 150221651055 is 550156122051.

It is not a de Polignac number, because 150221651055 - 2¹⁰ = 150221650031 is a prime.

It is a super-3 number, since 3×150221651055³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2650615 + ... + 2706695.

It is an arithmetic number, because the mean of its divisors is an integer number (4352860512).

Almost surely, 2^150221651055 is an apocalyptic number.

150221651055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150221651055 is a deficient number, since it is larger than the sum of its proper divisors (128361421713).

150221651055 is a wasteful number, since it uses less digits than its factorization.

150221651055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56456.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 150221651055 in words is "one hundred fifty billion, two hundred twenty-one million, six hundred fifty-one thousand, fifty-five".