155536131322 has 48 divisors (see below), whose sum is σ = 276394164192. Its totient is φ = 65071306560.

The previous prime is 155536131277. The next prime is 155536131323. The reversal of 155536131322 is 223131635551.

It is a super-2 number, since 2×155536131322² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155536131323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229868 + ... + 1350424.

It is an arithmetic number, because the mean of its divisors is an integer number (5758211754).

Almost surely, 2^155536131322 is an apocalyptic number.

155536131322 is a deficient number, since it is larger than the sum of its proper divisors (120858032870).

155536131322 is a wasteful number, since it uses less digits than its factorization.

155536131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120943 (or 120930 counting only the distinct ones).

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

Adding to 155536131322 its reverse (223131635551), we get a palindrome (378667766873).

The spelling of 155536131322 in words is "one hundred fifty-five billion, five hundred thirty-six million, one hundred thirty-one thousand, three hundred twenty-two".