17953457061144 has 32 divisors (see below), whose sum is σ = 48963973803840. Its totient is φ = 5440441533600.

The previous prime is 17953457061131. The next prime is 17953457061151. The reversal of 17953457061144 is 44116075435971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34002759322 + ... + 34002759849.

It is an arithmetic number, because the mean of its divisors is an integer number (1530124181370).

Almost surely, 2^{17953457061144} is an apocalyptic number.

It is an amenable number.

17953457061144 is an abundant number, since it is smaller than the sum of its proper divisors (31010516742696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17953457061144 is a wasteful number, since it uses less digits than its factorization.

17953457061144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68005519191 (or 68005519187 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 17953457061144 in words is "seventeen trillion, nine hundred fifty-three billion, four hundred fifty-seven million, sixty-one thousand, one hundred forty-four".