13625022120645 has 64 divisors (see below), whose sum is σ = 24498686467584. Its totient is φ = 6415805214720.

The previous prime is 13625022120539. The next prime is 13625022120653. The reversal of 13625022120645 is 54602122052631.

It is not a de Polignac number, because 13625022120645 - 2¹¹ = 13625022118597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 154854465 + ... + 154942425.

It is an arithmetic number, because the mean of its divisors is an integer number (382791976056).

Almost surely, 2^{13625022120645} is an apocalyptic number.

13625022120645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13625022120645 is a deficient number, since it is larger than the sum of its proper divisors (10873664346939).

13625022120645 is a wasteful number, since it uses less digits than its factorization.

13625022120645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122542.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 13625022120645 in words is "thirteen trillion, six hundred twenty-five billion, twenty-two million, one hundred twenty thousand, six hundred forty-five".