102752489452 has 6 divisors (see below), whose sum is σ = 179816856548. Its totient is φ = 51376244724.

The previous prime is 102752489419. The next prime is 102752489461. The reversal of 102752489452 is 254984257201.

It is a junction number, because it is equal to n+sod(n) for n = 102752489396 and 102752489405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12844061178 + ... + 12844061185.

Almost surely, 2^102752489452 is an apocalyptic number.

It is an amenable number.

102752489452 is a deficient number, since it is larger than the sum of its proper divisors (77064367096).

102752489452 is a wasteful number, since it uses less digits than its factorization.

102752489452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25688122367 (or 25688122365 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 102752489452 in words is "one hundred two billion, seven hundred fifty-two million, four hundred eighty-nine thousand, four hundred fifty-two".