1011543440102 has 16 divisors (see below), whose sum is σ = 1673886144672. Its totient is φ = 455479222080.

The previous prime is 1011543440099. The next prime is 1011543440119. The reversal of 1011543440102 is 2010443451101.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 474456458 + ... + 474458589.

It is an arithmetic number, because the mean of its divisors is an integer number (104617884042).

Almost surely, 2^{1011543440102} is an apocalyptic number.

1011543440102 is a deficient number, since it is larger than the sum of its proper divisors (662342704570).

1011543440102 is a wasteful number, since it uses less digits than its factorization.

1011543440102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948915103.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1011543440102 its reverse (2010443451101), we get a palindrome (3021986891203).

The spelling of 1011543440102 in words is "one trillion, eleven billion, five hundred forty-three million, four hundred forty thousand, one hundred two".