155136808386560 has 3264 divisors, whose sum is σ = 554803536322560. Its totient is φ = 40360948531200.

The previous prime is 155136808386557. The next prime is 155136808386607. The reversal of 155136808386560 is 65683808631551.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2125161758684 + ... + 2125161758756.

Almost surely, 2^{155136808386560} is an apocalyptic number.

155136808386560 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 155136808386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277401768161280).

155136808386560 is an abundant number, since it is smaller than the sum of its proper divisors (399666727936000).

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

155136808386560 is a wasteful number, since it uses less digits than its factorization.

155136808386560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 65.

The spelling of 155136808386560 in words is "one hundred fifty-five trillion, one hundred thirty-six billion, eight hundred eight million, three hundred eighty-six thousand, five hundred sixty".