3561146506452 has 24 divisors (see below), whose sum is σ = 8327366464032. Its totient is φ = 1184473890400.

The previous prime is 3561146506447. The next prime is 3561146506483. The reversal of 3561146506452 is 2546056411653.

It is a happy number.

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, 321862374 + ... + 321873437.

It is an arithmetic number, because the mean of its divisors is an integer number (346973602668).

Almost surely, 2^{3561146506452} is an apocalyptic number.

It is an amenable number.

3561146506452 is an abundant number, since it is smaller than the sum of its proper divisors (4766219957580).

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

3561146506452 is a wasteful number, since it uses less digits than its factorization.

3561146506452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643736279 (or 643736277 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 3561146506452 in words is "three trillion, five hundred sixty-one billion, one hundred forty-six million, five hundred six thousand, four hundred fifty-two".