1481198520525 has 36 divisors (see below), whose sum is σ = 2555476656288. Its totient is φ = 755600125280.

The previous prime is 1481198520509. The next prime is 1481198520551. The reversal of 1481198520525 is 5250258911841.

It is not a de Polignac number, because 1481198520525 - 2⁴ = 1481198520509 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 50533024 + ... + 50562326.

Almost surely, 2^{1481198520525} is an apocalyptic number.

1481198520525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481198520525 is a deficient number, since it is larger than the sum of its proper divisors (1074278135763).

1481198520525 is an frugal number, since it uses more digits than its factorization.

1481198520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58642 (or 29334 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 51.

The spelling of 1481198520525 in words is "one trillion, four hundred eighty-one billion, one hundred ninety-eight million, five hundred twenty thousand, five hundred twenty-five".