155275450000 has 240 divisors, whose sum is σ = 434375198208. Its totient is φ = 53139200000.

The previous prime is 155275449997. The next prime is 155275450021. The reversal of 155275450000 is 54572551.

It is a super-2 number, since 2×155275450000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9341697 + ... + 9358303.

Almost surely, 2^155275450000 is an apocalyptic number.

155275450000 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 155275450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217187599104).

155275450000 is an abundant number, since it is smaller than the sum of its proper divisors (279099748208).

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

155275450000 is a wasteful number, since it uses less digits than its factorization.

155275450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668 (or 16642 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 34.

The spelling of 155275450000 in words is "one hundred fifty-five billion, two hundred seventy-five million, four hundred fifty thousand".