155018211360340 has 48 divisors (see below), whose sum is σ = 325778005292544. Its totient is φ = 61961618825600.

The previous prime is 155018211360293. The next prime is 155018211360371. The reversal of 155018211360340 is 43063112810551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155018211360293 and 155018211360302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968596125 + ... + 968756155.

It is an arithmetic number, because the mean of its divisors is an integer number (6787041776928).

Almost surely, 2^{155018211360340} is an apocalyptic number.

155018211360340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155018211360340 is an abundant number, since it is smaller than the sum of its proper divisors (170759793932204).

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

155018211360340 is a wasteful number, since it uses less digits than its factorization.

155018211360340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195408 (or 195406 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 155018211360340 in words is "one hundred fifty-five trillion, eighteen billion, two hundred eleven million, three hundred sixty thousand, three hundred forty".