155711165112480 has 384 divisors, whose sum is σ = 527895853793280. Its totient is φ = 38492378910720.

The previous prime is 155711165112469. The next prime is 155711165112499. The reversal of 155711165112480 is 84211561117551.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 53382397 + ... + 56223683.

It is an arithmetic number, because the mean of its divisors is an integer number (1374728785920).

Almost surely, 2^{155711165112480} is an apocalyptic number.

155711165112480 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 155711165112480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263947926896640).

155711165112480 is an abundant number, since it is smaller than the sum of its proper divisors (372184688680800).

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

155711165112480 is a wasteful number, since it uses less digits than its factorization.

155711165112480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841492 (or 2841484 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 48.

The spelling of 155711165112480 in words is "one hundred fifty-five trillion, seven hundred eleven billion, one hundred sixty-five million, one hundred twelve thousand, four hundred eighty".