373505656121 has 8 divisors (see below), whose sum is σ = 402241843584. Its totient is φ = 344770180560.

The previous prime is 373505656061. The next prime is 373505656129. The reversal of 373505656121 is 121656505373.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 373505656121 - 2¹⁰ = 373505655097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373505656129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492400 + ... + 1724606.

It is an arithmetic number, because the mean of its divisors is an integer number (50280230448).

Almost surely, 2^373505656121 is an apocalyptic number.

It is an amenable number.

373505656121 is a deficient number, since it is larger than the sum of its proper divisors (28736187463).

373505656121 is a wasteful number, since it uses less digits than its factorization.

373505656121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355951.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 373505656121 in words is "three hundred seventy-three billion, five hundred five million, six hundred fifty-six thousand, one hundred twenty-one".