45551253125 has 48 divisors (see below), whose sum is σ = 68494366080. Its totient is φ = 29590920000.

The previous prime is 45551253071. The next prime is 45551253127. The reversal of 45551253125 is 52135215554.

It is not a de Polignac number, because 45551253125 - 2¹⁸ = 45550990981 is a prime.

It is a super-2 number, since 2×45551253125² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45551253127) 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 47 ways as a sum of consecutive naturals, for example, 360827 + ... + 470423.

It is an arithmetic number, because the mean of its divisors is an integer number (1426965960).

Almost surely, 2^45551253125 is an apocalyptic number.

It is an amenable number.

45551253125 is a deficient number, since it is larger than the sum of its proper divisors (22943112955).

45551253125 is an equidigital number, since it uses as much as digits as its factorization.

45551253125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109648 (or 109628 counting only the distinct ones).

The product of its digits is 150000, while the sum is 38.

Adding to 45551253125 its reverse (52135215554), we get a palindrome (97686468679).

The spelling of 45551253125 in words is "forty-five billion, five hundred fifty-one million, two hundred fifty-three thousand, one hundred twenty-five".