125252525249 has 8 divisors (see below), whose sum is σ = 131849484000. Its totient is φ = 118656038592.

The previous prime is 125252525221. The next prime is 125252525273. The reversal of 125252525249 is 942525252521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125252525249 - 2⁸ = 125252524993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125252525449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513182 + ... + 716840.

It is an arithmetic number, because the mean of its divisors is an integer number (16481185500).

Almost surely, 2^125252525249 is an apocalyptic number.

125252525249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

125252525249 is a deficient number, since it is larger than the sum of its proper divisors (6596958751).

125252525249 is a wasteful number, since it uses less digits than its factorization.

125252525249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236047.

The product of its digits is 720000, while the sum is 44.

The spelling of 125252525249 in words is "one hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred forty-nine".