1125650654631 has 24 divisors (see below), whose sum is σ = 1636214034416. Its totient is φ = 745693516800.

The previous prime is 1125650654621. The next prime is 1125650654633. The reversal of 1125650654631 is 1364560565211.

1125650654631 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 6 + 5 + 0 + 6 + 5 + 4 + 631 = 666.

It is not a de Polignac number, because 1125650654631 - 2⁷ = 1125650654503 is a prime.

It is a super-2 number, since 2×1125650654631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125650654633) 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 23 ways as a sum of consecutive naturals, for example, 8296071 + ... + 8430663.

Almost surely, 2^{1125650654631} is an apocalyptic number.

1125650654631 is a deficient number, since it is larger than the sum of its proper divisors (510563379785).

1125650654631 is a wasteful number, since it uses less digits than its factorization.

1125650654631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140463 (or 140460 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1125650654631 in words is "one trillion, one hundred twenty-five billion, six hundred fifty million, six hundred fifty-four thousand, six hundred thirty-one".