1151376263649 has 12 divisors (see below), whose sum is σ = 1720447290900. Its totient is φ = 741115755744.

The previous prime is 1151376263647. The next prime is 1151376263657. The reversal of 1151376263649 is 9463626731511.

1151376263649 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 3 + 7 + 626 + 3 + 6 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 975087126225 + 176289137424 = 987465^2 + 419868^2 .

It is not a de Polignac number, because 1151376263649 - 2¹ = 1151376263647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151376263595 and 1151376263604.

It is not an unprimeable number, because it can be changed into a prime (1151376263641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2205701394 + ... + 2205701915.

It is an arithmetic number, because the mean of its divisors is an integer number (143370607575).

Almost surely, 2^{1151376263649} is an apocalyptic number.

It is an amenable number.

1151376263649 is a deficient number, since it is larger than the sum of its proper divisors (569071027251).

1151376263649 is a wasteful number, since it uses less digits than its factorization.

1151376263649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411403344 (or 4411403341 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 1151376263649 in words is "one trillion, one hundred fifty-one billion, three hundred seventy-six million, two hundred sixty-three thousand, six hundred forty-nine".