1161415447919 has 8 divisors (see below), whose sum is σ = 1224388558848. Its totient is φ = 1100036593080.

The previous prime is 1161415447909. The next prime is 1161415447949. The reversal of 1161415447919 is 9197445141611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161415447919 - 2¹⁶ = 1161415382383 is a prime.

It is a super-2 number, since 2×1161415447919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161415447909) 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, 398562527 + ... + 398565440.

It is an arithmetic number, because the mean of its divisors is an integer number (153048569856).

Almost surely, 2^{1161415447919} is an apocalyptic number.

1161415447919 is a deficient number, since it is larger than the sum of its proper divisors (62973110929).

1161415447919 is an equidigital number, since it uses as much as digits as its factorization.

1161415447919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797128045.

The product of its digits is 1088640, while the sum is 53.

The spelling of 1161415447919 in words is "one trillion, one hundred sixty-one billion, four hundred fifteen million, four hundred forty-seven thousand, nine hundred nineteen".