1351215661235 has 8 divisors (see below), whose sum is σ = 1768864138416. Its totient is φ = 982702299040.

The previous prime is 1351215661219. The next prime is 1351215661273. The reversal of 1351215661235 is 5321665121531.

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

It is not a de Polignac number, because 1351215661235 - 2⁴ = 1351215661219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351215661192 and 1351215661201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12283778684 + ... + 12283778793.

It is an arithmetic number, because the mean of its divisors is an integer number (221108017302).

Almost surely, 2^{1351215661235} is an apocalyptic number.

1351215661235 is a deficient number, since it is larger than the sum of its proper divisors (417648477181).

1351215661235 is a wasteful number, since it uses less digits than its factorization.

1351215661235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24567557493.

The product of its digits is 162000, while the sum is 41.

The spelling of 1351215661235 in words is "one trillion, three hundred fifty-one billion, two hundred fifteen million, six hundred sixty-one thousand, two hundred thirty-five".