155247886096128 has 1944 divisors, whose sum is σ = 562854018927200. Its totient is φ = 41855170756608.

The previous prime is 155247886096117. The next prime is 155247886096201. The reversal of 155247886096128 is 821690688742551.

155247886096128 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 4 + 7 + 8 + 8 + 609 + 6 + 1 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1944).

It is a super-2 number, since 2×155247886096128² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 677938367118 + ... + 677938367346.

Almost surely, 2^{155247886096128} is an apocalyptic number.

155247886096128 is a gapful number since it is divisible by the number (18) 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 155247886096128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281427009463600).

155247886096128 is an abundant number, since it is smaller than the sum of its proper divisors (407606132831072).

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

155247886096128 is an frugal number, since it uses more digits than its factorization.

155247886096128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 72.

The spelling of 155247886096128 in words is "one hundred fifty-five trillion, two hundred forty-seven billion, eight hundred eighty-six million, ninety-six thousand, one hundred twenty-eight".