1254545405125 has 16 divisors (see below), whose sum is σ = 1565705636352. Its totient is φ = 1003615189200.

The previous prime is 1254545405119. The next prime is 1254545405149. The reversal of 1254545405125 is 5215045454521.

It is not a de Polignac number, because 1254545405125 - 2¹⁷ = 1254545274053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8936224 + ... + 9075526.

It is an arithmetic number, because the mean of its divisors is an integer number (97856602272).

Almost surely, 2^{1254545405125} is an apocalyptic number.

It is an amenable number.

1254545405125 is a deficient number, since it is larger than the sum of its proper divisors (311160231227).

1254545405125 is an equidigital number, since it uses as much as digits as its factorization.

1254545405125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211365 (or 211355 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 1254545405125 in words is "one trillion, two hundred fifty-four billion, five hundred forty-five million, four hundred five thousand, one hundred twenty-five".