109274497525 has 24 divisors (see below), whose sum is σ = 137644404480. Its totient is φ = 86041376640.

The previous prime is 109274497511. The next prime is 109274497529. The reversal of 109274497525 is 525794472901.

It is a de Polignac number, because none of the positive numbers 2^k-109274497525 is a prime.

It is a super-2 number, since 2×109274497525² (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 (109274497529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811674 + ... + 936676.

It is an arithmetic number, because the mean of its divisors is an integer number (5735183520).

Almost surely, 2^109274497525 is an apocalyptic number.

It is an amenable number.

109274497525 is a deficient number, since it is larger than the sum of its proper divisors (28369906955).

109274497525 is a wasteful number, since it uses less digits than its factorization.

109274497525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125565 (or 125560 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 109274497525 in words is "one hundred nine billion, two hundred seventy-four million, four hundred ninety-seven thousand, five hundred twenty-five".