155525114240 has 32 divisors (see below), whose sum is σ = 371802227760. Its totient is φ = 62210045440.

The previous prime is 155525114209. The next prime is 155525114243. The reversal of 155525114240 is 42411525551.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×155525114240² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155525114240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155525114243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121503356 + ... + 121504635.

Almost surely, 2^155525114240 is an apocalyptic number.

155525114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155525114240 is an abundant number, since it is smaller than the sum of its proper divisors (216277113520).

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

155525114240 is an equidigital number, since it uses as much as digits as its factorization.

155525114240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243008010 (or 243007998 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 155525114240 its reverse (42411525551), we get a palindrome (197936639791).

The spelling of 155525114240 in words is "one hundred fifty-five billion, five hundred twenty-five million, one hundred fourteen thousand, two hundred forty".