1102542125453 has 4 divisors (see below), whose sum is σ = 1120616586588. Its totient is φ = 1084467664320.

The previous prime is 1102542125401. The next prime is 1102542125467. The reversal of 1102542125453 is 3545212452011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49203225124 + 1053338900329 = 221818^2 + 1026323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102542125453 - 2²⁶ = 1102475016589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102542125053) 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 3 ways as a sum of consecutive naturals, for example, 9037230476 + ... + 9037230597.

It is an arithmetic number, because the mean of its divisors is an integer number (280154146647).

Almost surely, 2^{1102542125453} is an apocalyptic number.

It is an amenable number.

1102542125453 is a deficient number, since it is larger than the sum of its proper divisors (18074461135).

1102542125453 is an equidigital number, since it uses as much as digits as its factorization.

1102542125453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18074461134.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1102542125453 its reverse (3545212452011), we get a palindrome (4647754577464).

The spelling of 1102542125453 in words is "one trillion, one hundred two billion, five hundred forty-two million, one hundred twenty-five thousand, four hundred fifty-three".