7251531127725 has 48 divisors (see below), whose sum is σ = 12525136589952. Its totient is φ = 3694994223360.

The previous prime is 7251531127697. The next prime is 7251531127751. The reversal of 7251531127725 is 5277211351527.

It is not a de Polignac number, because 7251531127725 - 2¹⁰ = 7251531126701 is a prime.

It is a super-2 number, since 2×7251531127725² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 992694 + ... + 3935543.

It is an arithmetic number, because the mean of its divisors is an integer number (260940345624).

Almost surely, 2^{7251531127725} is an apocalyptic number.

7251531127725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7251531127725 is a deficient number, since it is larger than the sum of its proper divisors (5273605462227).

7251531127725 is a wasteful number, since it uses less digits than its factorization.

7251531127725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929126 (or 4929121 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 48.

The spelling of 7251531127725 in words is "seven trillion, two hundred fifty-one billion, five hundred thirty-one million, one hundred twenty-seven thousand, seven hundred twenty-five".