155211005676 has 96 divisors (see below), whose sum is σ = 385072228800. Its totient is φ = 48581406720.

The previous prime is 155211005657. The next prime is 155211005689. The reversal of 155211005676 is 676500112551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1848216 + ... + 1930368.

It is an arithmetic number, because the mean of its divisors is an integer number (4011169050).

Almost surely, 2^155211005676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155211005676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192536114400).

155211005676 is an abundant number, since it is smaller than the sum of its proper divisors (229861223124).

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

155211005676 is a wasteful number, since it uses less digits than its factorization.

155211005676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82339 (or 82337 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 155211005676 in words is "one hundred fifty-five billion, two hundred eleven million, five thousand, six hundred seventy-six".