75757578008025 has 48 divisors (see below), whose sum is σ = 129056749325504. Its totient is φ = 39183987790080.

The previous prime is 75757578008011. The next prime is 75757578008051. The reversal of 75757578008025 is 52080087575757.

It is not a de Polignac number, because 75757578008025 - 2¹⁹ = 75757577483737 is a prime.

It is a Duffinian number.

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, 43610662 + ... + 45314511.

Almost surely, 2^{75757578008025} is an apocalyptic number.

75757578008025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75757578008025 is a deficient number, since it is larger than the sum of its proper divisors (53299171317479).

75757578008025 is a wasteful number, since it uses less digits than its factorization.

75757578008025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88925530 (or 88925525 counting only the distinct ones).

The product of its (nonzero) digits is 192080000, while the sum is 66.

The spelling of 75757578008025 in words is "seventy-five trillion, seven hundred fifty-seven billion, five hundred seventy-eight million, eight thousand, twenty-five".