2451502311225 has 48 divisors (see below), whose sum is σ = 4453429128960. Its totient is φ = 1180055995200.

The previous prime is 2451502311121. The next prime is 2451502311241. The reversal of 2451502311225 is 5221132051542.

It is not a de Polignac number, because 2451502311225 - 2⁹ = 2451502310713 is a prime.

It is a super-2 number, since 2×2451502311225² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 10574239 + ... + 10803588.

It is an arithmetic number, because the mean of its divisors is an integer number (92779773520).

Almost surely, 2^{2451502311225} is an apocalyptic number.

2451502311225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451502311225 is a deficient number, since it is larger than the sum of its proper divisors (2001926817735).

2451502311225 is a wasteful number, since it uses less digits than its factorization.

2451502311225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21377990 (or 21377985 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 2451502311225 its reverse (5221132051542), we get a palindrome (7672634362767).

The spelling of 2451502311225 in words is "two trillion, four hundred fifty-one billion, five hundred two million, three hundred eleven thousand, two hundred twenty-five".