1125612501463 has 16 divisors (see below), whose sum is σ = 1179843857280. Its totient is φ = 1072816927776.

The previous prime is 1125612501457. The next prime is 1125612501493. The reversal of 1125612501463 is 3641052165211.

It is a cyclic number.

It is not a de Polignac number, because 1125612501463 - 2²⁹ = 1125075630551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125612501493) by changing a digit.

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, 824581 + ... + 1712062.

It is an arithmetic number, because the mean of its divisors is an integer number (73740241080).

Almost surely, 2^{1125612501463} is an apocalyptic number.

1125612501463 is a deficient number, since it is larger than the sum of its proper divisors (54231355817).

1125612501463 is a wasteful number, since it uses less digits than its factorization.

1125612501463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536926.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 1125612501463 its reverse (3641052165211), we get a palindrome (4766664666674).

The spelling of 1125612501463 in words is "one trillion, one hundred twenty-five billion, six hundred twelve million, five hundred one thousand, four hundred sixty-three".