155245112000 has 448 divisors, whose sum is σ = 430449776640. Its totient is φ = 54991872000.

The previous prime is 155245111997. The next prime is 155245112003. The reversal of 155245112000 is 211542551.

It is an interprime number because it is at equal distance from previous prime (155245111997) and next prime (155245112003).

It is not an unprimeable number, because it can be changed into a prime (155245112003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 952423919 + ... + 952424081.

Almost surely, 2^155245112000 is an apocalyptic number.

155245112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155245112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215224888320).

155245112000 is an abundant number, since it is smaller than the sum of its proper divisors (275204664640).

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

155245112000 is a wasteful number, since it uses less digits than its factorization.

155245112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 155245112000 its reverse (211542551), we get a palindrome (155456654551).

The spelling of 155245112000 in words is "one hundred fifty-five billion, two hundred forty-five million, one hundred twelve thousand".