1351633451651 has 16 divisors (see below), whose sum is σ = 1545636576000. Its totient is φ = 1157858726688.

The previous prime is 1351633451639. The next prime is 1351633451671. The reversal of 1351633451651 is 1561543361531.

It is a cyclic number.

It is not a de Polignac number, because 1351633451651 - 2¹⁸ = 1351633189507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351633451671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113357576 + ... + 113369498.

It is an arithmetic number, because the mean of its divisors is an integer number (96602286000).

Almost surely, 2^{1351633451651} is an apocalyptic number.

1351633451651 is a deficient number, since it is larger than the sum of its proper divisors (194003124349).

1351633451651 is a wasteful number, since it uses less digits than its factorization.

1351633451651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138.

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

The spelling of 1351633451651 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred fifty-one thousand, six hundred fifty-one".