2215268655580 has 48 divisors (see below), whose sum is σ = 4723320881664. Its totient is φ = 872565099840.

The previous prime is 2215268655563. The next prime is 2215268655617. The reversal of 2215268655580 is 855568625122.

It is a happy number.

It is a super-3 number, since 3×2215268655580³ (a number of 38 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220879 + ... + 2116441.

It is an arithmetic number, because the mean of its divisors is an integer number (98402518368).

Almost surely, 2^{2215268655580} is an apocalyptic number.

2215268655580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215268655580 is an abundant number, since it is smaller than the sum of its proper divisors (2508052226084).

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

2215268655580 is a wasteful number, since it uses less digits than its factorization.

2215268655580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896466 (or 1896464 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 55.

The spelling of 2215268655580 in words is "two trillion, two hundred fifteen billion, two hundred sixty-eight million, six hundred fifty-five thousand, five hundred eighty".