125652165510 has 128 divisors (see below), whose sum is σ = 314810302464. Its totient is φ = 32074600320.

The previous prime is 125652165461. The next prime is 125652165517. The reversal of 125652165510 is 15561256521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125652165517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12709029 + ... + 12718911.

It is an arithmetic number, because the mean of its divisors is an integer number (2459455488).

Almost surely, 2^125652165510 is an apocalyptic number.

125652165510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125652165510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157405151232).

125652165510 is an abundant number, since it is smaller than the sum of its proper divisors (189158136954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125652165510 is a wasteful number, since it uses less digits than its factorization.

125652165510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 125652165510 in words is "one hundred twenty-five billion, six hundred fifty-two million, one hundred sixty-five thousand, five hundred ten".