1125134553415 has 16 divisors (see below), whose sum is σ = 1429612117920. Its totient is φ = 847142717440.

The previous prime is 1125134553391. The next prime is 1125134553437. The reversal of 1125134553415 is 5143554315211.

It is not a de Polignac number, because 1125134553415 - 2⁵ = 1125134553383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286255 + ... + 5494975.

It is an arithmetic number, because the mean of its divisors is an integer number (89350757370).

Almost surely, 2^{1125134553415} is an apocalyptic number.

1125134553415 is a deficient number, since it is larger than the sum of its proper divisors (304477564505).

1125134553415 is a wasteful number, since it uses less digits than its factorization.

1125134553415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272162.

The product of its digits is 180000, while the sum is 40.

Adding to 1125134553415 its reverse (5143554315211), we get a palindrome (6268688868626).

The spelling of 1125134553415 in words is "one trillion, one hundred twenty-five billion, one hundred thirty-four million, five hundred fifty-three thousand, four hundred fifteen".