155112136531436 has 36 divisors (see below), whose sum is σ = 320211372425616. Its totient is φ = 65540339373600.

The previous prime is 155112136531403. The next prime is 155112136531493. The reversal of 155112136531436 is 634135631211551.

155112136531436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 5573144195 + ... + 5573172026.

It is an arithmetic number, because the mean of its divisors is an integer number (8894760345156).

Almost surely, 2^{155112136531436} is an apocalyptic number.

It is an amenable number.

155112136531436 is an abundant number, since it is smaller than the sum of its proper divisors (165099235894180).

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

155112136531436 is a wasteful number, since it uses less digits than its factorization.

155112136531436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146316310 (or 11146316301 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

Adding to 155112136531436 its reverse (634135631211551), we get a palindrome (789247767742987).

The spelling of 155112136531436 in words is "one hundred fifty-five trillion, one hundred twelve billion, one hundred thirty-six million, five hundred thirty-one thousand, four hundred thirty-six".