2631211359552 has 448 divisors, whose sum is σ = 8175982510080. Its totient is φ = 828551116800.

The previous prime is 2631211359551. The next prime is 2631211359589. The reversal of 2631211359552 is 2559531121362.

2631211359552 is a `hidden beast` number, since 2 + 6 + 3 + 1 + 2 + 1 + 1 + 3 + 595 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2631211359498 and 2631211359507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631211359551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1160656723 + ... + 1160658989.

It is an arithmetic number, because the mean of its divisors is an integer number (18249960960).

Almost surely, 2^{2631211359552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631211359552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4087991255040).

2631211359552 is an abundant number, since it is smaller than the sum of its proper divisors (5544771150528).

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

2631211359552 is a wasteful number, since it uses less digits than its factorization.

2631211359552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 2811 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The spelling of 2631211359552 in words is "two trillion, six hundred thirty-one billion, two hundred eleven million, three hundred fifty-nine thousand, five hundred fifty-two".