155217804344130 has 64 divisors (see below), whose sum is σ = 411532590643200. Its totient is φ = 37152247753920.

The previous prime is 155217804344117. The next prime is 155217804344131. The reversal of 155217804344130 is 31443408712551.

It is a happy number.

155217804344130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 155217804344130.

It is not an unprimeable number, because it can be changed into a prime (155217804344131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2976916860 + ... + 2976968999.

It is an arithmetic number, because the mean of its divisors is an integer number (6430196728800).

Almost surely, 2^{155217804344130} is an apocalyptic number.

155217804344130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155217804344130 is an abundant number, since it is smaller than the sum of its proper divisors (256314786299070).

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

155217804344130 is a wasteful number, since it uses less digits than its factorization.

155217804344130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953885959.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 155217804344130 in words is "one hundred fifty-five trillion, two hundred seventeen billion, eight hundred four million, three hundred forty-four thousand, one hundred thirty".