351156078013 has 4 divisors (see below), whose sum is σ = 378168084028. Its totient is φ = 324144072000.

The previous prime is 351156078001. The next prime is 351156078061. The reversal of 351156078013 is 310870651153.

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 228825419449 + 122330658564 = 478357^2 + 349758^2 .

It is a cyclic number.

It is not a de Polignac number, because 351156078013 - 2¹³ = 351156069821 is a prime.

It is a super-2 number, since 2×351156078013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351156078083) 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 3 ways as a sum of consecutive naturals, for example, 13506002988 + ... + 13506003013.

It is an arithmetic number, because the mean of its divisors is an integer number (94542021007).

Almost surely, 2^351156078013 is an apocalyptic number.

It is an amenable number.

351156078013 is a deficient number, since it is larger than the sum of its proper divisors (27012006015).

351156078013 is a wasteful number, since it uses less digits than its factorization.

351156078013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27012006014.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 351156078013 in words is "three hundred fifty-one billion, one hundred fifty-six million, seventy-eight thousand, thirteen".