125453151999 has 16 divisors (see below), whose sum is σ = 212407453440. Its totient is φ = 71687515320.

The previous prime is 125453151977. The next prime is 125453152003. The reversal of 125453151999 is 999151354521.

125453151999 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 5 + 31 + 519 + 99 = 666.

It is not a de Polignac number, because 125453151999 - 2⁹ = 125453151487 is a prime.

It is a super-3 number, since 3×125453151999³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125453141999) 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, 331886457 + ... + 331886834.

It is an arithmetic number, because the mean of its divisors is an integer number (13275465840).

Almost surely, 2^125453151999 is an apocalyptic number.

125453151999 is a deficient number, since it is larger than the sum of its proper divisors (86954301441).

125453151999 is an equidigital number, since it uses as much as digits as its factorization.

125453151999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663773307 (or 663773301 counting only the distinct ones).

The product of its digits is 2187000, while the sum is 54.

The spelling of 125453151999 in words is "one hundred twenty-five billion, four hundred fifty-three million, one hundred fifty-one thousand, nine hundred ninety-nine".