1351165407557 has 8 divisors (see below), whose sum is σ = 1546051756800. Its totient is φ = 1156744738224.

The previous prime is 1351165407539. The next prime is 1351165407607. The reversal of 1351165407557 is 7557045611531.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351165407557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351165407157) 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, 116413757 + ... + 116425362.

It is an arithmetic number, because the mean of its divisors is an integer number (193256469600).

Almost surely, 2^{1351165407557} is an apocalyptic number.

It is an amenable number.

1351165407557 is a deficient number, since it is larger than the sum of its proper divisors (194886349243).

1351165407557 is an equidigital number, since it uses as much as digits as its factorization.

1351165407557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232839955.

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 1351165407557 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-five million, four hundred seven thousand, five hundred fifty-seven".