2128888485510 has 32 divisors (see below), whose sum is σ = 5111188477920. Its totient is φ = 567497361408.

The previous prime is 2128888485509. The next prime is 2128888485583. The reversal of 2128888485510 is 155848888212.

It is a super-2 number, since 2×2128888485510² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12805705 + ... + 12970884.

It is an arithmetic number, because the mean of its divisors is an integer number (159724639935).

Almost surely, 2^{2128888485510} is an apocalyptic number.

2128888485510 is an abundant number, since it is smaller than the sum of its proper divisors (2982299992410).

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

2128888485510 is a wasteful number, since it uses less digits than its factorization.

2128888485510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25779352.

The product of its (nonzero) digits is 13107200, while the sum is 60.

The spelling of 2128888485510 in words is "two trillion, one hundred twenty-eight billion, eight hundred eighty-eight million, four hundred eighty-five thousand, five hundred ten".