3520070067545 has 8 divisors (see below), whose sum is σ = 4233491843400. Its totient is φ = 2809784212480.

The previous prime is 3520070067523. The next prime is 3520070067551. The reversal of 3520070067545 is 5457600700253.

It can be written as a sum of positive squares in 4 ways, for example, as 1543090652944 + 1976979414601 = 1242212^2 + 1406051^2 .

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

It is not a de Polignac number, because 3520070067545 - 2¹⁰ = 3520070066521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3520070067496 and 3520070067505.

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, 783977726 + ... + 783982215.

It is an arithmetic number, because the mean of its divisors is an integer number (529186480425).

Almost surely, 2^{3520070067545} is an apocalyptic number.

It is an amenable number.

3520070067545 is a deficient number, since it is larger than the sum of its proper divisors (713421775855).

3520070067545 is a wasteful number, since it uses less digits than its factorization.

3520070067545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567960395.

The product of its (nonzero) digits is 882000, while the sum is 44.

Adding to 3520070067545 its reverse (5457600700253), we get a palindrome (8977670767798).

The spelling of 3520070067545 in words is "three trillion, five hundred twenty billion, seventy million, sixty-seven thousand, five hundred forty-five".