155250041000 has 64 divisors (see below), whose sum is σ = 363439636560. Its totient is φ = 62073600000.

The previous prime is 155250040937. The next prime is 155250041033. The reversal of 155250041000 is 140052551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4903080484 + 150346960516 = 70022^2 + 387746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409200 + ... + 2472800.

Almost surely, 2^155250041000 is an apocalyptic number.

155250041000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155250041000 is an abundant number, since it is smaller than the sum of its proper divisors (208189595560).

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

155250041000 is a wasteful number, since it uses less digits than its factorization.

155250041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66063 (or 66049 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 155250041000 its reverse (140052551), we get a palindrome (155390093551).

The spelling of 155250041000 in words is "one hundred fifty-five billion, two hundred fifty million, forty-one thousand".