1263255541151 has 4 divisors (see below), whose sum is σ = 1263665293032. Its totient is φ = 1262845789272.

The previous prime is 1263255541139. The next prime is 1263255541181. The reversal of 1263255541151 is 1511455523621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1263255541151 - 2¹⁴ = 1263255524767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1263255541099 and 1263255541108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263255541181) 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, 204871316 + ... + 204877481.

It is an arithmetic number, because the mean of its divisors is an integer number (315916323258).

Almost surely, 2^{1263255541151} is an apocalyptic number.

1263255541151 is a deficient number, since it is larger than the sum of its proper divisors (409751881).

1263255541151 is an equidigital number, since it uses as much as digits as its factorization.

1263255541151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409751880.

The product of its digits is 180000, while the sum is 41.

The spelling of 1263255541151 in words is "one trillion, two hundred sixty-three billion, two hundred fifty-five million, five hundred forty-one thousand, one hundred fifty-one".