1481005878153 has 4 divisors (see below), whose sum is σ = 1974674504208. Its totient is φ = 987337252100.

The previous prime is 1481005878109. The next prime is 1481005878193. The reversal of 1481005878153 is 3518785001841.

It is a happy number.

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 1481005878153 - 2⁹ = 1481005877641 is a prime.

It is a super-2 number, since 2×1481005878153² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1481005878096 and 1481005878105.

It is not an unprimeable number, because it can be changed into a prime (1481005878193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246834313023 + ... + 246834313028.

It is an arithmetic number, because the mean of its divisors is an integer number (493668626052).

Almost surely, 2^{1481005878153} is an apocalyptic number.

It is an amenable number.

1481005878153 is a deficient number, since it is larger than the sum of its proper divisors (493668626055).

1481005878153 is an equidigital number, since it uses as much as digits as its factorization.

1481005878153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493668626054.

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 1481005878153 in words is "one trillion, four hundred eighty-one billion, five million, eight hundred seventy-eight thousand, one hundred fifty-three".