125123152011 has 32 divisors (see below), whose sum is σ = 196039388160. Its totient is φ = 69983865600.

The previous prime is 125123151997. The next prime is 125123152019. The reversal of 125123152011 is 110251321521.

It is a de Polignac number, because none of the positive numbers 2^k-125123152011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125123152019) 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 31 ways as a sum of consecutive naturals, for example, 2132791 + ... + 2190671.

It is an arithmetic number, because the mean of its divisors is an integer number (6126230880).

Almost surely, 2^125123152011 is an apocalyptic number.

125123152011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125123152011 is a deficient number, since it is larger than the sum of its proper divisors (70916236149).

125123152011 is a wasteful number, since it uses less digits than its factorization.

125123152011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62947.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 125123152011 its reverse (110251321521), we get a palindrome (235374473532).

The spelling of 125123152011 in words is "one hundred twenty-five billion, one hundred twenty-three million, one hundred fifty-two thousand, eleven".