1351056433657 has 8 divisors (see below), whose sum is σ = 1544328801216. Its totient is φ = 1157850142512.

The previous prime is 1351056433591. The next prime is 1351056433687. The reversal of 1351056433657 is 7563346501531.

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

It is not a de Polignac number, because 1351056433657 - 2²³ = 1351048045049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351056433657.

It is not an unprimeable number, because it can be changed into a prime (1351056433687) 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, 16475278 + ... + 16557079.

It is an arithmetic number, because the mean of its divisors is an integer number (193041100152).

Almost surely, 2^{1351056433657} is an apocalyptic number.

It is an amenable number.

1351056433657 is a deficient number, since it is larger than the sum of its proper divisors (193272367559).

1351056433657 is an equidigital number, since it uses as much as digits as its factorization.

1351056433657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33038207.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 1351056433657 in words is "one trillion, three hundred fifty-one billion, fifty-six million, four hundred thirty-three thousand, six hundred fifty-seven".