125855349952 has 28 divisors (see below), whose sum is σ = 249954760440. Its totient is φ = 62874622976.

The previous prime is 125855349923. The next prime is 125855349959. The reversal of 125855349952 is 259943558521.

It is a super-2 number, since 2×125855349952² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125855349959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752377 + ... + 904312.

It is an arithmetic number, because the mean of its divisors is an integer number (8926955730).

Almost surely, 2^125855349952 is an apocalyptic number.

It is an amenable number.

125855349952 is a deficient number, since it is larger than the sum of its proper divisors (124099410488).

125855349952 is a wasteful number, since it uses less digits than its factorization.

125855349952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657888 (or 1657878 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 58.

The spelling of 125855349952 in words is "one hundred twenty-five billion, eight hundred fifty-five million, three hundred forty-nine thousand, nine hundred fifty-two".