1263677307811 has 8 divisors (see below), whose sum is σ = 1356856497504. Its totient is φ = 1172592032640.

The previous prime is 1263677307749. The next prime is 1263677307817. The reversal of 1263677307811 is 1187037763621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1263677307811 - 2¹¹ = 1263677305763 is a prime.

It is a super-2 number, since 2×1263677307811² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263677307817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523477380 + ... + 523479793.

It is an arithmetic number, because the mean of its divisors is an integer number (169607062188).

Almost surely, 2^{1263677307811} is an apocalyptic number.

1263677307811 is a deficient number, since it is larger than the sum of its proper divisors (93179189693).

1263677307811 is a wasteful number, since it uses less digits than its factorization.

1263677307811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046957261.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 1263677307811 in words is "one trillion, two hundred sixty-three billion, six hundred seventy-seven million, three hundred seven thousand, eight hundred eleven".