1263442562041 has 4 divisors (see below), whose sum is σ = 1378300976784. Its totient is φ = 1148584147300.

The previous prime is 1263442562021. The next prime is 1263442562047. The reversal of 1263442562041 is 1402652443621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1263442562041 - 2¹¹ = 1263442559993 is a prime.

It is a super-2 number, since 2×1263442562041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1263442561985 and 1263442562003.

It is not an unprimeable number, because it can be changed into a prime (1263442562047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57429207355 + ... + 57429207376.

It is an arithmetic number, because the mean of its divisors is an integer number (344575244196).

Almost surely, 2^{1263442562041} is an apocalyptic number.

1263442562041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1263442562041 is a deficient number, since it is larger than the sum of its proper divisors (114858414743).

1263442562041 is a wasteful number, since it uses less digits than its factorization.

1263442562041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114858414742.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 1263442562041 in words is "one trillion, two hundred sixty-three billion, four hundred forty-two million, five hundred sixty-two thousand, forty-one".