130155205530 has 128 divisors (see below), whose sum is σ = 360677007360. Its totient is φ = 29443645440.

The previous prime is 130155205507. The next prime is 130155205559. The reversal of 130155205530 is 35502551031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31658175 + ... + 31662285.

It is an arithmetic number, because the mean of its divisors is an integer number (2817789120).

Almost surely, 2^130155205530 is an apocalyptic number.

130155205530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130155205530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180338503680).

130155205530 is an abundant number, since it is smaller than the sum of its proper divisors (230521801830).

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

130155205530 is a wasteful number, since it uses less digits than its factorization.

130155205530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 130155205530 its reverse (35502551031), we get a palindrome (165657756561).

The spelling of 130155205530 in words is "one hundred thirty billion, one hundred fifty-five million, two hundred five thousand, five hundred thirty".