155063423265 has 16 divisors (see below), whose sum is σ = 248117630208. Its totient is φ = 82695108096.

The previous prime is 155063423243. The next prime is 155063423269. The reversal of 155063423265 is 562324360551.

It is a happy number.

It is not a de Polignac number, because 155063423265 - 2⁶ = 155063423201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155063423269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92752 + ... + 564561.

It is an arithmetic number, because the mean of its divisors is an integer number (15507351888).

Almost surely, 2^155063423265 is an apocalyptic number.

155063423265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155063423265 is a deficient number, since it is larger than the sum of its proper divisors (93054206943).

155063423265 is a wasteful number, since it uses less digits than its factorization.

155063423265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673048.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 155063423265 in words is "one hundred fifty-five billion, sixty-three million, four hundred twenty-three thousand, two hundred sixty-five".