1351161516551 has 16 divisors (see below), whose sum is σ = 1773226325760. Its totient is φ = 997439806080.

The previous prime is 1351161516521. The next prime is 1351161516559. The reversal of 1351161516551 is 1556151611531.

It is a cyclic number.

It is not a de Polignac number, because 1351161516551 - 2²² = 1351157322247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351161516499 and 1351161516508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351161516559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461776226 + ... + 461779151.

It is an arithmetic number, because the mean of its divisors is an integer number (110826645360).

Almost surely, 2^{1351161516551} is an apocalyptic number.

1351161516551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1351161516551 is a deficient number, since it is larger than the sum of its proper divisors (422064809209).

1351161516551 is a wasteful number, since it uses less digits than its factorization.

1351161516551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923555414.

The product of its digits is 67500, while the sum is 41.

The spelling of 1351161516551 in words is "one trillion, three hundred fifty-one billion, one hundred sixty-one million, five hundred sixteen thousand, five hundred fifty-one".