2621155241020 has 12 divisors (see below), whose sum is σ = 5504426006184. Its totient is φ = 1048462096400.

The previous prime is 2621155240993. The next prime is 2621155241039. The reversal of 2621155241020 is 201425511262.

It is a super-2 number, since 2×2621155241020² (a number of 26 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 3 ways as a sum of consecutive naturals, for example, 65528881006 + ... + 65528881045.

It is an arithmetic number, because the mean of its divisors is an integer number (458702167182).

Almost surely, 2^{2621155241020} is an apocalyptic number.

2621155241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2621155241020 is an abundant number, since it is smaller than the sum of its proper divisors (2883270765164).

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

2621155241020 is a wasteful number, since it uses less digits than its factorization.

2621155241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131057762060 (or 131057762058 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 2621155241020 in words is "two trillion, six hundred twenty-one billion, one hundred fifty-five million, two hundred forty-one thousand, twenty".