155520965106 has 96 divisors (see below), whose sum is σ = 375313516032. Its totient is φ = 46219299840.

The previous prime is 155520965101. The next prime is 155520965123. The reversal of 155520965106 is 601569025551.

155520965106 is a `hidden beast` number, since 1 + 5 + 552 + 0 + 96 + 5 + 1 + 0 + 6 = 666.

155520965106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155520965101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3773346 + ... + 3814338.

It is an arithmetic number, because the mean of its divisors is an integer number (3909515792).

Almost surely, 2^155520965106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155520965106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187656758016).

155520965106 is an abundant number, since it is smaller than the sum of its proper divisors (219792550926).

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

155520965106 is a wasteful number, since it uses less digits than its factorization.

155520965106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41568 (or 41565 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The spelling of 155520965106 in words is "one hundred fifty-five billion, five hundred twenty million, nine hundred sixty-five thousand, one hundred six".