102885053049 has 27 divisors (see below), whose sum is σ = 153604849359. Its totient is φ = 66358208160.

The previous prime is 102885053041. The next prime is 102885053057. The reversal of 102885053049 is 940350588201.

The square root of 102885053049 is 320757.

It is a perfect power (a square), and thus also a powerful number.

102885053049 is a `hidden beast` number, since 1 + 0 + 28 + 8 + 50 + 530 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (102885053041) and next prime (102885053057).

It can be written as a sum of positive squares in only one way, i.e., 536246649 + 102348806400 = 23157^2 + 319920^2 .

It is not a de Polignac number, because 102885053049 - 2³ = 102885053041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102885052995 and 102885053013.

It is not an unprimeable number, because it can be changed into a prime (102885053041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29828677 + ... + 29832125.

Almost surely, 2^102885053049 is an apocalyptic number.

102885053049 is the 320757-th square number.

102885053049 is the 160379-th centered octagonal number.

It is an amenable number.

102885053049 is a deficient number, since it is larger than the sum of its proper divisors (50719796310).

102885053049 is an frugal number, since it uses more digits than its factorization.

102885053049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 102885053049 in words is "one hundred two billion, eight hundred eighty-five million, fifty-three thousand, forty-nine".