1266006575051 has 8 divisors (see below), whose sum is σ = 1340523949824. Its totient is φ = 1191494355840.

The previous prime is 1266006575023. The next prime is 1266006575063. The reversal of 1266006575051 is 1505756006621.

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

It is a cyclic number.

It is not a de Polignac number, because 1266006575051 - 2¹⁴ = 1266006558667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1266006574993 and 1266006575011.

It is not an unprimeable number, because it can be changed into a prime (1266006575021) 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, 777515 + ... + 1771028.

It is an arithmetic number, because the mean of its divisors is an integer number (167565493728).

Almost surely, 2^{1266006575051} is an apocalyptic number.

1266006575051 is a deficient number, since it is larger than the sum of its proper divisors (74517374773).

1266006575051 is a wasteful number, since it uses less digits than its factorization.

1266006575051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577781.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 1266006575051 in words is "one trillion, two hundred sixty-six billion, six million, five hundred seventy-five thousand, fifty-one".