1102253042561 has 16 divisors (see below), whose sum is σ = 1229735174400. Its totient is φ = 979568304000.

The previous prime is 1102253042507. The next prime is 1102253042599. The reversal of 1102253042561 is 1652403522011.

It is not a de Polignac number, because 1102253042561 - 2³⁴ = 1085073173377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1102253042161) 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, 6191516 + ... + 6367053.

It is an arithmetic number, because the mean of its divisors is an integer number (76858448400).

Almost surely, 2^{1102253042561} is an apocalyptic number.

1102253042561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102253042561 is a deficient number, since it is larger than the sum of its proper divisors (127482131839).

1102253042561 is a wasteful number, since it uses less digits than its factorization.

1102253042561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558760.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1102253042561 its reverse (1652403522011), we get a palindrome (2754656564572).

The spelling of 1102253042561 in words is "one trillion, one hundred two billion, two hundred fifty-three million, forty-two thousand, five hundred sixty-one".