1478867761141 has 2 divisors, whose sum is σ = 1478867761142. Its totient is φ = 1478867761140.

The previous prime is 1478867761123. The next prime is 1478867761157. The reversal of 1478867761141 is 1411677688741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415588346225 + 63279414916 = 1189785^2 + 251554^2 .

It is an emirp because it is prime and its reverse (1411677688741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1478867761141 - 2⁵ = 1478867761109 is a prime.

It is a super-3 number, since 3×1478867761141³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1478867761141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478867711141) 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 as a sum of consecutive naturals, namely, 739433880570 + 739433880571.

It is an arithmetic number, because the mean of its divisors is an integer number (739433880571).

Almost surely, 2^{1478867761141} is an apocalyptic number.

It is an amenable number.

1478867761141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478867761141 is an equidigital number, since it uses as much as digits as its factorization.

1478867761141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12644352, while the sum is 61.

The spelling of 1478867761141 in words is "one trillion, four hundred seventy-eight billion, eight hundred sixty-seven million, seven hundred sixty-one thousand, one hundred forty-one".