1354181317961 has 4 divisors (see below), whose sum is σ = 1413058766592. Its totient is φ = 1295303869332.

The previous prime is 1354181317933. The next prime is 1354181317967. The reversal of 1354181317961 is 1697131814531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1354181317961 - 2³⁴ = 1337001448777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354181317967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29438724281 + ... + 29438724326.

It is an arithmetic number, because the mean of its divisors is an integer number (353264691648).

Almost surely, 2^{1354181317961} is an apocalyptic number.

It is an amenable number.

1354181317961 is a deficient number, since it is larger than the sum of its proper divisors (58877448631).

1354181317961 is an equidigital number, since it uses as much as digits as its factorization.

1354181317961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58877448630.

The product of its digits is 544320, while the sum is 50.

The spelling of 1354181317961 in words is "one trillion, three hundred fifty-four billion, one hundred eighty-one million, three hundred seventeen thousand, nine hundred sixty-one".