49218445125 has 80 divisors (see below), whose sum is σ = 91880817600. Its totient is φ = 26214645600.

The previous prime is 49218445097. The next prime is 49218445141. The reversal of 49218445125 is 52154481294.

49218445125 is a `hidden beast` number, since 4 + 92 + 1 + 8 + 44 + 512 + 5 = 666.

It is not a de Polignac number, because 49218445125 - 2¹⁰ = 49218444101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8694546 + ... + 8700204.

It is an arithmetic number, because the mean of its divisors is an integer number (1148510220).

Almost surely, 2^49218445125 is an apocalyptic number.

49218445125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49218445125 is a deficient number, since it is larger than the sum of its proper divisors (42662372475).

49218445125 is an equidigital number, since it uses as much as digits as its factorization.

49218445125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6526 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 49218445125 in words is "forty-nine billion, two hundred eighteen million, four hundred forty-five thousand, one hundred twenty-five".