1205655606552 has 32 divisors (see below), whose sum is σ = 3014207642880. Its totient is φ = 401876052000.

The previous prime is 1205655606497. The next prime is 1205655606577. The reversal of 1205655606552 is 2556065565021.

It is a super-2 number, since 2×1205655606552² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 549013 + ... + 1647035.

It is an arithmetic number, because the mean of its divisors is an integer number (94193988840).

Almost surely, 2^{1205655606552} is an apocalyptic number.

1205655606552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 1098023×1098024.

It is an amenable number.

1205655606552 is an abundant number, since it is smaller than the sum of its proper divisors (1808552036328).

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

1205655606552 is a wasteful number, since it uses less digits than its factorization.

1205655606552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143783 (or 1143779 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 1205655606552 in words is "one trillion, two hundred five billion, six hundred fifty-five million, six hundred six thousand, five hundred fifty-two".