1005606611550 has 36 divisors (see below), whose sum is σ = 2701729764240. Its totient is φ = 268161762960.

The previous prime is 1005606611531. The next prime is 1005606611551. The reversal of 1005606611550 is 551166065001.

1005606611550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1005606611550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005606611551) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1117340230 + ... + 1117341129.

Almost surely, 2^{1005606611550} is an apocalyptic number.

1005606611550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005606611550 is an abundant number, since it is smaller than the sum of its proper divisors (1696123152690).

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

1005606611550 is a wasteful number, since it uses less digits than its factorization.

1005606611550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234681377 (or 2234681369 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 1005606611550 in words is "one trillion, five billion, six hundred six million, six hundred eleven thousand, five hundred fifty".