155210280000 has 140 divisors (see below), whose sum is σ = 513161798160. Its totient is φ = 41389376000.

The previous prime is 155210279971. The next prime is 155210280019. The reversal of 155210280000 is 82012551.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 526710 + ... + 766709.

Almost surely, 2^155210280000 is an apocalyptic number.

155210280000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155210280000 is an abundant number, since it is smaller than the sum of its proper divisors (357951518160).

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

155210280000 is an equidigital number, since it uses as much as digits as its factorization.

155210280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293454 (or 1293429 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 155210280000 its reverse (82012551), we get a palindrome (155292292551).

The spelling of 155210280000 in words is "one hundred fifty-five billion, two hundred ten million, two hundred eighty thousand".