155150431326 has 24 divisors (see below), whose sum is σ = 366719201784. Its totient is φ = 47015282160.

The previous prime is 155150431307. The next prime is 155150431339. The reversal of 155150431326 is 623134051551.

155150431326 is a `hidden beast` number, since 1 + 5 + 515 + 0 + 4 + 3 + 132 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391793821 + ... + 391794216.

It is an arithmetic number, because the mean of its divisors is an integer number (15279966741).

Almost surely, 2^155150431326 is an apocalyptic number.

155150431326 is an abundant number, since it is smaller than the sum of its proper divisors (211568770458).

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

155150431326 is a wasteful number, since it uses less digits than its factorization.

155150431326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783588056 (or 783588053 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 155150431326 its reverse (623134051551), we get a palindrome (778284482877).

The spelling of 155150431326 in words is "one hundred fifty-five billion, one hundred fifty million, four hundred thirty-one thousand, three hundred twenty-six".