80702252525 has 48 divisors (see below), whose sum is σ = 111620980800. Its totient is φ = 57521064960.

The previous prime is 80702252509. The next prime is 80702252573. The reversal of 80702252525 is 52525220708.

It is not a de Polignac number, because 80702252525 - 2⁴ = 80702252509 is a prime.

It is a Curzon number.

It is a congruent 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, 13070339 + ... + 13076511.

It is an arithmetic number, because the mean of its divisors is an integer number (2325437100).

Almost surely, 2^80702252525 is an apocalyptic number.

80702252525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

80702252525 is a deficient number, since it is larger than the sum of its proper divisors (30918728275).

80702252525 is a wasteful number, since it uses less digits than its factorization.

80702252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 80702252525 in words is "eighty billion, seven hundred two million, two hundred fifty-two thousand, five hundred twenty-five".