1267415613945 has 96 divisors (see below), whose sum is σ = 2477761138944. Its totient is φ = 617779872000.

The previous prime is 1267415613941. The next prime is 1267415613979. The reversal of 1267415613945 is 5493165147621.

1267415613945 is a `hidden beast` number, since 1 + 2 + 6 + 7 + 4 + 1 + 561 + 39 + 45 = 666.

It is not a de Polignac number, because 1267415613945 - 2² = 1267415613941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1267415613891 and 1267415613900.

It is not an unprimeable number, because it can be changed into a prime (1267415613941) 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 95 ways as a sum of consecutive naturals, for example, 1198060 + ... + 1992530.

It is an arithmetic number, because the mean of its divisors is an integer number (25810011864).

Almost surely, 2^{1267415613945} is an apocalyptic number.

1267415613945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1267415613945 is a deficient number, since it is larger than the sum of its proper divisors (1210345524999).

1267415613945 is a wasteful number, since it uses less digits than its factorization.

1267415613945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794605 (or 794593 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 1267415613945 in words is "one trillion, two hundred sixty-seven billion, four hundred fifteen million, six hundred thirteen thousand, nine hundred forty-five".