155496718181120 has 288 divisors, whose sum is σ = 419284069690752. Its totient is φ = 54938212499456.

The previous prime is 155496718181093. The next prime is 155496718181149. The reversal of 155496718181120 is 21181817694551.

It is a super-2 number, since 2×155496718181120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155496718181120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23594354 + ... + 29456526.

It is an arithmetic number, because the mean of its divisors is an integer number (1455847464204).

Almost surely, 2^{155496718181120} is an apocalyptic number.

155496718181120 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 155496718181120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209642034845376).

155496718181120 is an abundant number, since it is smaller than the sum of its proper divisors (263787351509632).

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

155496718181120 is a wasteful number, since it uses less digits than its factorization.

155496718181120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862287 (or 5862273 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 59.

The spelling of 155496718181120 in words is "one hundred fifty-five trillion, four hundred ninety-six billion, seven hundred eighteen million, one hundred eighty-one thousand, one hundred twenty".