125133255501 has 8 divisors (see below), whose sum is σ = 166898365440. Its totient is φ = 83395157952.

The previous prime is 125133255497. The next prime is 125133255503. The reversal of 125133255501 is 105552331521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125133255501 - 2² = 125133255497 is a prime.

It is a super-2 number, since 2×125133255501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125133255503) 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 7 ways as a sum of consecutive naturals, for example, 6742285 + ... + 6760818.

It is an arithmetic number, because the mean of its divisors is an integer number (20862295680).

Almost surely, 2^125133255501 is an apocalyptic number.

It is an amenable number.

125133255501 is a deficient number, since it is larger than the sum of its proper divisors (41765109939).

125133255501 is a wasteful number, since it uses less digits than its factorization.

125133255501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506195.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 125133255501 in words is "one hundred twenty-five billion, one hundred thirty-three million, two hundred fifty-five thousand, five hundred one".