1102215543 has 16 divisors (see below), whose sum is σ = 1726548096. Its totient is φ = 616623840.

The previous prime is 1102215523. The next prime is 1102215563. The reversal of 1102215543 is 3455122011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1102215523) and next prime (1102215563).

It is not a de Polignac number, because 1102215543 - 2¹⁷ = 1102084471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102215523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284205 + ... + 1285062.

It is an arithmetic number, because the mean of its divisors is an integer number (107909256).

Almost surely, 2^1102215543 is an apocalyptic number.

1102215543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1102215543 is a deficient number, since it is larger than the sum of its proper divisors (624332553).

1102215543 is a wasteful number, since it uses less digits than its factorization.

1102215543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569294.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1102215543 is about 33199.6316696436. The cubic root of 1102215543 is about 1032.9726994625.

Adding to 1102215543 its reverse (3455122011), we get a palindrome (4557337554).

It can be divided in two parts, 11022 and 15543, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 1102215543 in words is "one billion, one hundred two million, two hundred fifteen thousand, five hundred forty-three".