3211260342556 has 48 divisors (see below), whose sum is σ = 6434292573184. Its totient is φ = 1373733660096.

The previous prime is 3211260342547. The next prime is 3211260342571. The reversal of 3211260342556 is 6552430621123.

It is a super-2 number, since 2×3211260342556² (a number of 26 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45178861 + ... + 45249883.

Almost surely, 2^{3211260342556} is an apocalyptic number.

It is an amenable number.

3211260342556 is an abundant number, since it is smaller than the sum of its proper divisors (3223032230628).

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

3211260342556 is a wasteful number, since it uses less digits than its factorization.

3211260342556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73970 (or 73968 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 3211260342556 its reverse (6552430621123), we get a palindrome (9763690963679).

The spelling of 3211260342556 in words is "three trillion, two hundred eleven billion, two hundred sixty million, three hundred forty-two thousand, five hundred fifty-six".