125121052611705 has 16 divisors (see below), whose sum is σ = 202030323485760. Its totient is φ = 66119014957248.

The previous prime is 125121052611677. The next prime is 125121052611713. The reversal of 125121052611705 is 507116250121521.

It is not a de Polignac number, because 125121052611705 - 2⁵ = 125121052611673 is a prime.

It is a super-2 number, since 2×125121052611705² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38263317207 + ... + 38263320476.

It is an arithmetic number, because the mean of its divisors is an integer number (12626895217860).

Almost surely, 2^{125121052611705} is an apocalyptic number.

125121052611705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125121052611705 is a deficient number, since it is larger than the sum of its proper divisors (76909270874055).

125121052611705 is a wasteful number, since it uses less digits than its factorization.

125121052611705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76526637800.

The product of its (nonzero) digits is 42000, while the sum is 39.

The spelling of 125121052611705 in words is "one hundred twenty-five trillion, one hundred twenty-one billion, fifty-two million, six hundred eleven thousand, seven hundred five".