125150125155 has 48 divisors (see below), whose sum is σ = 226047468192. Its totient is φ = 59038848000.

The previous prime is 125150125151. The next prime is 125150125181. The reversal of 125150125155 is 551521051521.

It is not a de Polignac number, because 125150125155 - 2² = 125150125151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (125150125151) 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 47 ways as a sum of consecutive naturals, for example, 864646 + ... + 998955.

It is an arithmetic number, because the mean of its divisors is an integer number (4709322254).

Almost surely, 2^125150125155 is an apocalyptic number.

125150125155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125150125155 is a deficient number, since it is larger than the sum of its proper divisors (100897343037).

125150125155 is a wasteful number, since it uses less digits than its factorization.

125150125155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863668 (or 1863657 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 33.

Adding to 125150125155 its reverse (551521051521), we get a palindrome (676671176676).

The spelling of 125150125155 in words is "one hundred twenty-five billion, one hundred fifty million, one hundred twenty-five thousand, one hundred fifty-five".