1266552425005 has 16 divisors (see below), whose sum is σ = 1737014102784. Its totient is φ = 868479131520.

The previous prime is 1266552425003. The next prime is 1266552425011. The reversal of 1266552425005 is 5005242556621.

It is not a de Polignac number, because 1266552425005 - 2¹ = 1266552425003 is a prime.

It is a super-2 number, since 2×1266552425005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266552425003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224024 + ... + 2734846.

It is an arithmetic number, because the mean of its divisors is an integer number (108563381424).

Almost surely, 2^{1266552425005} is an apocalyptic number.

It is an amenable number.

1266552425005 is a deficient number, since it is larger than the sum of its proper divisors (470461677779).

1266552425005 is an equidigital number, since it uses as much as digits as its factorization.

1266552425005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581676.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 1266552425005 in words is "one trillion, two hundred sixty-six billion, five hundred fifty-two million, four hundred twenty-five thousand, five".