2750561189896 has 128 divisors (see below), whose sum is σ = 5887963872000. Its totient is φ = 1194957434880.

The previous prime is 2750561189881. The next prime is 2750561189911. The reversal of 2750561189896 is 6989811650572.

It is an interprime number because it is at equal distance from previous prime (2750561189881) and next prime (2750561189911).

It is a Harshad number since it is a multiple of its sum of digits (67).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168108756 + ... + 168125116.

It is an arithmetic number, because the mean of its divisors is an integer number (45999717750).

Almost surely, 2^{2750561189896} is an apocalyptic number.

2750561189896 is a gapful number since it is divisible by the number (26) 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 2750561189896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2943981936000).

2750561189896 is an abundant number, since it is smaller than the sum of its proper divisors (3137402682104).

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

2750561189896 is a wasteful number, since it uses less digits than its factorization.

2750561189896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519 (or 17515 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 67.

The spelling of 2750561189896 in words is "two trillion, seven hundred fifty billion, five hundred sixty-one million, one hundred eighty-nine thousand, eight hundred ninety-six".