125652165511 has 8 divisors (see below), whose sum is σ = 133549569920. Its totient is φ = 117883174392.

The previous prime is 125652165461. The next prime is 125652165517. The reversal of 125652165511 is 115561256521.

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 125652165511 - 2³¹ = 123504681863 is a prime.

It is a super-2 number, since 2×125652165511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32101305 + ... + 32105218.

It is an arithmetic number, because the mean of its divisors is an integer number (16693696240).

Almost surely, 2^125652165511 is an apocalyptic number.

125652165511 is a deficient number, since it is larger than the sum of its proper divisors (7897404409).

125652165511 is a wasteful number, since it uses less digits than its factorization.

125652165511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64206645.

The product of its digits is 90000, while the sum is 40.

The spelling of 125652165511 in words is "one hundred twenty-five billion, six hundred fifty-two million, one hundred sixty-five thousand, five hundred eleven".