1351266365051 has 4 divisors (see below), whose sum is σ = 1365196946232. Its totient is φ = 1337335783872.

The previous prime is 1351266365047. The next prime is 1351266365077. The reversal of 1351266365051 is 1505636621531.

It is a happy number.

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 1351266365051 - 2² = 1351266365047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351266364993 and 1351266365011.

It is not an unprimeable number, because it can be changed into a prime (1351266365081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965290445 + ... + 6965290638.

It is an arithmetic number, because the mean of its divisors is an integer number (341299236558).

Almost surely, 2^{1351266365051} is an apocalyptic number.

1351266365051 is a deficient number, since it is larger than the sum of its proper divisors (13930581181).

1351266365051 is an equidigital number, since it uses as much as digits as its factorization.

1351266365051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930581180.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 1351266365051 in words is "one trillion, three hundred fifty-one billion, two hundred sixty-six million, three hundred sixty-five thousand, fifty-one".