1351051355391 has 8 divisors (see below), whose sum is σ = 1806419640960. Its totient is φ = 898191986712.

The previous prime is 1351051355351. The next prime is 1351051355399. The reversal of 1351051355391 is 1935531501531.

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

It is not a de Polignac number, because 1351051355391 - 2⁹ = 1351051354879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351051355399) 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, 627227965 + ... + 627230118.

It is an arithmetic number, because the mean of its divisors is an integer number (225802455120).

Almost surely, 2^{1351051355391} is an apocalyptic number.

1351051355391 is a deficient number, since it is larger than the sum of its proper divisors (455368285569).

1351051355391 is a wasteful number, since it uses less digits than its factorization.

1351051355391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254458445.

The product of its (nonzero) digits is 151875, while the sum is 42.

The spelling of 1351051355391 in words is "one trillion, three hundred fifty-one billion, fifty-one million, three hundred fifty-five thousand, three hundred ninety-one".