155545025325 has 24 divisors (see below), whose sum is σ = 257513988288. Its totient is φ = 82845665280.

The previous prime is 155545025323. The next prime is 155545025357. The reversal of 155545025325 is 523520545551.

It is not a de Polignac number, because 155545025325 - 2¹ = 155545025323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545025323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339924 + ... + 1451373.

It is an arithmetic number, because the mean of its divisors is an integer number (10729749512).

Almost surely, 2^155545025325 is an apocalyptic number.

155545025325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155545025325 is a deficient number, since it is larger than the sum of its proper divisors (101968962963).

155545025325 is a wasteful number, since it uses less digits than its factorization.

155545025325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792053 (or 2792048 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 42.

The spelling of 155545025325 in words is "one hundred fifty-five billion, five hundred forty-five million, twenty-five thousand, three hundred twenty-five".