155551126116 has 48 divisors (see below), whose sum is σ = 370722078720. Its totient is φ = 50740734240.

The previous prime is 155551126111. The next prime is 155551126117. The reversal of 155551126116 is 611621155551.

It is not an unprimeable number, because it can be changed into a prime (155551126111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6740125 + ... + 6763163.

It is an arithmetic number, because the mean of its divisors is an integer number (7723376640).

Almost surely, 2^155551126116 is an apocalyptic number.

It is an amenable number.

155551126116 is an abundant number, since it is smaller than the sum of its proper divisors (215170952604).

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

155551126116 is a wasteful number, since it uses less digits than its factorization.

155551126116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35064 (or 35062 counting only the distinct ones).

The product of its digits is 45000, while the sum is 39.

The spelling of 155551126116 in words is "one hundred fifty-five billion, five hundred fifty-one million, one hundred twenty-six thousand, one hundred sixteen".