102863453625 has 48 divisors (see below), whose sum is σ = 188468456592. Its totient is φ = 53961120000.

The previous prime is 102863453603. The next prime is 102863453659. The reversal of 102863453625 is 526354368201.

102863453625 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 634 + 5 + 3 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 38911113081 + 63952340544 = 197259^2 + 252888^2 .

It is not a de Polignac number, because 102863453625 - 2¹¹ = 102863451577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680836 + ... + 818085.

It is an arithmetic number, because the mean of its divisors is an integer number (3926426179).

Almost surely, 2^102863453625 is an apocalyptic number.

102863453625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102863453625 is a deficient number, since it is larger than the sum of its proper divisors (85605002967).

102863453625 is a wasteful number, since it uses less digits than its factorization.

102863453625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499003 (or 1498990 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 102863453625 in words is "one hundred two billion, eight hundred sixty-three million, four hundred fifty-three thousand, six hundred twenty-five".