1005543540102 has 32 divisors (see below), whose sum is σ = 2129453960832. Its totient is φ = 315454619264.

The previous prime is 1005543540097. The next prime is 1005543540107. The reversal of 1005543540102 is 2010453455001.

It is an interprime number because it is at equal distance from previous prime (1005543540097) and next prime (1005543540107).

It is a super-2 number, since 2×1005543540102² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1005543540102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005543540107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3482893 + ... + 3760535.

It is an arithmetic number, because the mean of its divisors is an integer number (66545436276).

Almost surely, 2^{1005543540102} is an apocalyptic number.

1005543540102 is an abundant number, since it is smaller than the sum of its proper divisors (1123910420730).

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

1005543540102 is a wasteful number, since it uses less digits than its factorization.

1005543540102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313172.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1005543540102 its reverse (2010453455001), we get a palindrome (3015996995103).

The spelling of 1005543540102 in words is "one trillion, five billion, five hundred forty-three million, five hundred forty thousand, one hundred two".