1351103615625 has 24 divisors (see below), whose sum is σ = 2251695257280. Its totient is φ = 720588590000.

The previous prime is 1351103615591. The next prime is 1351103615663. The reversal of 1351103615625 is 5265163011531.

It is not a de Polignac number, because 1351103615625 - 2⁷ = 1351103615497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72049485 + ... + 72068234.

It is an arithmetic number, because the mean of its divisors is an integer number (93820635720).

Almost surely, 2^{1351103615625} is an apocalyptic number.

1351103615625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351103615625 is a deficient number, since it is larger than the sum of its proper divisors (900591641655).

1351103615625 is an frugal number, since it uses more digits than its factorization.

1351103615625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144117747 (or 144117727 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 1351103615625 in words is "one trillion, three hundred fifty-one billion, one hundred three million, six hundred fifteen thousand, six hundred twenty-five".