125345204511 has 16 divisors (see below), whose sum is σ = 167759999616. Its totient is φ = 83247090336.

The previous prime is 125345204459. The next prime is 125345204519. The reversal of 125345204511 is 115402543521.

It is not a de Polignac number, because 125345204511 - 2⁹ = 125345203999 is a prime.

It is a super-2 number, since 2×125345204511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125345204519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789601 + ... + 3822533.

It is an arithmetic number, because the mean of its divisors is an integer number (10484999976).

Almost surely, 2^125345204511 is an apocalyptic number.

125345204511 is a deficient number, since it is larger than the sum of its proper divisors (42414795105).

125345204511 is a wasteful number, since it uses less digits than its factorization.

125345204511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37702.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 125345204511 in words is "one hundred twenty-five billion, three hundred forty-five million, two hundred four thousand, five hundred eleven".