128265550558190 has 16 divisors (see below), whose sum is σ = 232049960505792. Its totient is φ = 51045782556384.

The previous prime is 128265550558091. The next prime is 128265550558247. The reversal of 128265550558190 is 91855055562821.

It is a super-2 number, since 2×128265550558190² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32554706294 + ... + 32554710233.

It is an arithmetic number, because the mean of its divisors is an integer number (14503122531612).

Almost surely, 2^{128265550558190} is an apocalyptic number.

128265550558190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128265550558190 is a deficient number, since it is larger than the sum of its proper divisors (103784409947602).

128265550558190 is a wasteful number, since it uses less digits than its factorization.

128265550558190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65109416731.

The product of its (nonzero) digits is 43200000, while the sum is 62.

The spelling of 128265550558190 in words is "one hundred twenty-eight trillion, two hundred sixty-five billion, five hundred fifty million, five hundred fifty-eight thousand, one hundred ninety".