102550135155 has 32 divisors (see below), whose sum is σ = 176797346880. Its totient is φ = 50458913280.

The previous prime is 102550135141. The next prime is 102550135159. The reversal of 102550135155 is 551531055201.

It is not a de Polignac number, because 102550135155 - 2⁴ = 102550135139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102550135159) 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, 221601 + ... + 504189.

It is an arithmetic number, because the mean of its divisors is an integer number (5524917090).

Almost surely, 2^102550135155 is an apocalyptic number.

102550135155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102550135155 is a deficient number, since it is larger than the sum of its proper divisors (74247211725).

102550135155 is a wasteful number, since it uses less digits than its factorization.

102550135155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284471.

The product of its (nonzero) digits is 18750, while the sum is 33.

It can be divided in two parts, 102550 and 135155, that added together give a triangular number (237705 = T₆₈₉).

The spelling of 102550135155 in words is "one hundred two billion, five hundred fifty million, one hundred thirty-five thousand, one hundred fifty-five".