1005556011102 has 40 divisors (see below), whose sum is σ = 2305590112056. Its totient is φ = 327390326928.

The previous prime is 1005556011101. The next prime is 1005556011121. The reversal of 1005556011102 is 2011106555001.

1005556011102 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 55 + 601 + 1 + 1 + 0 + 2 = 666.

It is a super-2 number, since 2×1005556011102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005556011101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72169033 + ... + 72182964.

Almost surely, 2^{1005556011102} is an apocalyptic number.

1005556011102 is an abundant number, since it is smaller than the sum of its proper divisors (1300034100954).

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

1005556011102 is a wasteful number, since it uses less digits than its factorization.

1005556011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144352054 (or 144352045 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The spelling of 1005556011102 in words is "one trillion, five billion, five hundred fifty-six million, eleven thousand, one hundred two".