155112136531404 has 96 divisors (see below), whose sum is σ = 406739329328640. Its totient is φ = 45649050467328.

The previous prime is 155112136531403. The next prime is 155112136531493. The reversal of 155112136531404 is 404135631211551.

It is a super-2 number, since 2×155112136531404² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155112136531403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60226227 + ... + 62748885.

It is an arithmetic number, because the mean of its divisors is an integer number (4236868013840).

Almost surely, 2^{155112136531404} is an apocalyptic number.

It is an amenable number.

155112136531404 is an abundant number, since it is smaller than the sum of its proper divisors (251627192797236).

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

155112136531404 is a wasteful number, since it uses less digits than its factorization.

155112136531404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539839 (or 2539837 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

Adding to 155112136531404 its reverse (404135631211551), we get a palindrome (559247767742955).

The spelling of 155112136531404 in words is "one hundred fifty-five trillion, one hundred twelve billion, one hundred thirty-six million, five hundred thirty-one thousand, four hundred four".