155100243520 has 112 divisors (see below), whose sum is σ = 372630435840. Its totient is φ = 61487161344.

The previous prime is 155100243457. The next prime is 155100243559. The reversal of 155100243520 is 25342001551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64169352 + ... + 64171768.

Almost surely, 2^155100243520 is an apocalyptic number.

155100243520 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 155100243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186315217920).

155100243520 is an abundant number, since it is smaller than the sum of its proper divisors (217530192320).

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

155100243520 is a wasteful number, since it uses less digits than its factorization.

155100243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140 (or 4130 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 155100243520 in words is "one hundred fifty-five billion, one hundred million, two hundred forty-three thousand, five hundred twenty".