155150232233311 has 16 divisors (see below), whose sum is σ = 178071396537600. Its totient is φ = 132419485739520.

The previous prime is 155150232233261. The next prime is 155150232233351. The reversal of 155150232233311 is 113332232051551.

It is not a de Polignac number, because 155150232233311 - 2⁹ = 155150232232799 is a prime.

It is a super-2 number, since 2×155150232233311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155150232233351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48725361 + ... + 51811786.

It is an arithmetic number, because the mean of its divisors is an integer number (11129462283600).

Almost surely, 2^{155150232233311} is an apocalyptic number.

155150232233311 is a deficient number, since it is larger than the sum of its proper divisors (22921164304289).

155150232233311 is a wasteful number, since it uses less digits than its factorization.

155150232233311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100538094.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 155150232233311 its reverse (113332232051551), we get a palindrome (268482464284862).

The spelling of 155150232233311 in words is "one hundred fifty-five trillion, one hundred fifty billion, two hundred thirty-two million, two hundred thirty-three thousand, three hundred eleven".