1481263681425 has 36 divisors (see below), whose sum is σ = 2671724092464. Its totient is φ = 718171502400.

The previous prime is 1481263681421. The next prime is 1481263681433. The reversal of 1481263681425 is 5241863621841.

It is not a de Polignac number, because 1481263681425 - 2² = 1481263681421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481263681421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34936539 + ... + 34978911.

It is an arithmetic number, because the mean of its divisors is an integer number (74214558124).

Almost surely, 2^{1481263681425} is an apocalyptic number.

1481263681425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481263681425 is a deficient number, since it is larger than the sum of its proper divisors (1190460411039).

1481263681425 is an frugal number, since it uses more digits than its factorization.

1481263681425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84770 (or 42392 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 1481263681425 in words is "one trillion, four hundred eighty-one billion, two hundred sixty-three million, six hundred eighty-one thousand, four hundred twenty-five".