351275126513 has 4 divisors (see below), whose sum is σ = 363388061940. Its totient is φ = 339162191088.

The previous prime is 351275126497. The next prime is 351275126519. The reversal of 351275126513 is 315621572153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113927851024 + 237347275489 = 337532^2 + 487183^2 .

It is a cyclic number.

It is not a de Polignac number, because 351275126513 - 2⁴ = 351275126497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351275126519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056467670 + ... + 6056467727.

It is an arithmetic number, because the mean of its divisors is an integer number (90847015485).

Almost surely, 2^351275126513 is an apocalyptic number.

It is an amenable number.

351275126513 is a deficient number, since it is larger than the sum of its proper divisors (12112935427).

351275126513 is a wasteful number, since it uses less digits than its factorization.

351275126513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112935426.

The product of its digits is 189000, while the sum is 41.

Adding to 351275126513 its reverse (315621572153), we get a palindrome (666896698666).

The spelling of 351275126513 in words is "three hundred fifty-one billion, two hundred seventy-five million, one hundred twenty-six thousand, five hundred thirteen".