3156520203452 has 24 divisors (see below), whose sum is σ = 6886953171840. Its totient is φ = 1229813066160.

The previous prime is 3156520203443. The next prime is 3156520203539. The reversal of 3156520203452 is 2543020256513.

It is a congruent number.

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, 5124220802 + ... + 5124221417.

It is an arithmetic number, because the mean of its divisors is an integer number (286956382160).

Almost surely, 2^{3156520203452} is an apocalyptic number.

It is an amenable number.

3156520203452 is an abundant number, since it is smaller than the sum of its proper divisors (3730432968388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156520203452 is a wasteful number, since it uses less digits than its factorization.

3156520203452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248442241 (or 10248442239 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 3156520203452 its reverse (2543020256513), we get a palindrome (5699540459965).

The spelling of 3156520203452 in words is "three trillion, one hundred fifty-six billion, five hundred twenty million, two hundred three thousand, four hundred fifty-two".