49996121225 has 12 divisors (see below), whose sum is σ = 62007459840. Its totient is φ = 39988981200.

The previous prime is 49996121213. The next prime is 49996121237. The reversal of 49996121225 is 52212169994.

It is an interprime number because it is at equal distance from previous prime (49996121213) and next prime (49996121237).

It is not a de Polignac number, because 49996121225 - 2⁴ = 49996121209 is a prime.

It is a super-2 number, since 2×49996121225² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67361 + ... + 323310.

It is an arithmetic number, because the mean of its divisors is an integer number (5167288320).

Almost surely, 2^49996121225 is an apocalyptic number.

It is an amenable number.

49996121225 is a deficient number, since it is larger than the sum of its proper divisors (12011338615).

49996121225 is a wasteful number, since it uses less digits than its factorization.

49996121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395800 (or 395795 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The spelling of 49996121225 in words is "forty-nine billion, nine hundred ninety-six million, one hundred twenty-one thousand, two hundred twenty-five".