356109556541 has 32 divisors (see below), whose sum is σ = 399278880000. Its totient is φ = 315623734272.

The previous prime is 356109556529. The next prime is 356109556571. The reversal of 356109556541 is 145655901653.

It is a happy number.

It is not a de Polignac number, because 356109556541 - 2¹⁰ = 356109555517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356109556541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356109556571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91849895 + ... + 91853771.

It is an arithmetic number, because the mean of its divisors is an integer number (12477465000).

Almost surely, 2^356109556541 is an apocalyptic number.

It is an amenable number.

356109556541 is a deficient number, since it is larger than the sum of its proper divisors (43169323459).

356109556541 is a wasteful number, since it uses less digits than its factorization.

356109556541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 356109556541 in words is "three hundred fifty-six billion, one hundred nine million, five hundred fifty-six thousand, five hundred forty-one".