1268925611049 has 6 divisors (see below), whose sum is σ = 1832892549306. Its totient is φ = 845950407360.

The previous prime is 1268925610999. The next prime is 1268925611059. The reversal of 1268925611049 is 9401165298621.

1268925611049 is a `hidden beast` number, since 1 + 2 + 68 + 9 + 2 + 561 + 10 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1264680176400 + 4245434649 = 1124580^2 + 65157^2 .

It is not a de Polignac number, because 1268925611049 - 2¹⁵ = 1268925578281 is a prime.

It is a super-2 number, since 2×1268925611049² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268925610986 and 1268925611004.

It is not an unprimeable number, because it can be changed into a prime (1268925611059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70495867272 + ... + 70495867289.

It is an arithmetic number, because the mean of its divisors is an integer number (305482091551).

Almost surely, 2^{1268925611049} is an apocalyptic number.

It is an amenable number.

1268925611049 is a deficient number, since it is larger than the sum of its proper divisors (563966938257).

1268925611049 is a wasteful number, since it uses less digits than its factorization.

1268925611049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140991734567 (or 140991734564 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1268925611049 in words is "one trillion, two hundred sixty-eight billion, nine hundred twenty-five million, six hundred eleven thousand, forty-nine".