245554014121525 has 12 divisors (see below), whose sum is σ = 304487482251172. Its totient is φ = 196442885658240.

The previous prime is 245554014121513. The next prime is 245554014121571. The reversal of 245554014121525 is 525121410455542.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 214389372484 + 245339624749041 = 463022^2 + 15663321^2 .

It is a de Polignac number, because none of the positive numbers 2^k-245554014121525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7858567 + ... + 23513083.

Almost surely, 2^{245554014121525} is an apocalyptic number.

245554014121525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245554014121525 is a deficient number, since it is larger than the sum of its proper divisors (58933468129647).

245554014121525 is a wasteful number, since it uses less digits than its factorization.

245554014121525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16281960 (or 16281955 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 245554014121525 in words is "two hundred forty-five trillion, five hundred fifty-four billion, fourteen million, one hundred twenty-one thousand, five hundred twenty-five".