1356525200661 has 8 divisors (see below), whose sum is σ = 1808741292480. Its totient is φ = 904329621312.

The previous prime is 1356525200647. The next prime is 1356525200683. The reversal of 1356525200661 is 1660025256531.

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

It is not a de Polignac number, because 1356525200661 - 2⁷ = 1356525200533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356525200161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4973140 + ... + 5238813.

It is an arithmetic number, because the mean of its divisors is an integer number (226092661560).

Almost surely, 2^{1356525200661} is an apocalyptic number.

It is an amenable number.

1356525200661 is a deficient number, since it is larger than the sum of its proper divisors (452216091819).

1356525200661 is a wasteful number, since it uses less digits than its factorization.

1356525200661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256235.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 1356525200661 in words is "one trillion, three hundred fifty-six billion, five hundred twenty-five million, two hundred thousand, six hundred sixty-one".