1461117355 has 4 divisors (see below), whose sum is σ = 1753340832. Its totient is φ = 1168893880.

The previous prime is 1461117349. The next prime is 1461117373. The reversal of 1461117355 is 5537111641.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1461117355 - 2¹⁹ = 1460593067 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 1461117355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146111731 + ... + 146111740.

It is an arithmetic number, because the mean of its divisors is an integer number (438335208).

Almost surely, 2^1461117355 is an apocalyptic number.

1461117355 is a deficient number, since it is larger than the sum of its proper divisors (292223477).

1461117355 is an equidigital number, since it uses as much as digits as its factorization.

1461117355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292223476.

The product of its digits is 12600, while the sum is 34.

The square root of 1461117355 is about 38224.5648111264. The cubic root of 1461117355 is about 1134.7365221244.

Adding to 1461117355 its reverse (5537111641), we get a palindrome (6998228996).

The spelling of 1461117355 in words is "one billion, four hundred sixty-one million, one hundred seventeen thousand, three hundred fifty-five".