155302441247560 has 128 divisors (see below), whose sum is σ = 374842629763200. Its totient is φ = 57728562278400.

The previous prime is 155302441247549. The next prime is 155302441247561. The reversal of 155302441247560 is 65742144203551.

It is not an unprimeable number, because it can be changed into a prime (155302441247561) 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, 186927792 + ... + 187756768.

It is an arithmetic number, because the mean of its divisors is an integer number (2928458045025).

Almost surely, 2^{155302441247560} is an apocalyptic number.

155302441247560 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 155302441247560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187421314881600).

155302441247560 is an abundant number, since it is smaller than the sum of its proper divisors (219540188515640).

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

155302441247560 is a wasteful number, since it uses less digits than its factorization.

155302441247560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833711 (or 833707 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 155302441247560 in words is "one hundred fifty-five trillion, three hundred two billion, four hundred forty-one million, two hundred forty-seven thousand, five hundred sixty".