351201054056 has 8 divisors (see below), whose sum is σ = 658501976370. Its totient is φ = 175600527024.

The previous prime is 351201054041. The next prime is 351201054089. The reversal of 351201054056 is 650450102153.

It can be written as a sum of positive squares in only one way, i.e., 202617016900 + 148584037156 = 450130^2 + 385466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×351201054056² (a number of 24 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 21950065871 + ... + 21950065886.

Almost surely, 2^351201054056 is an apocalyptic number.

It is an amenable number.

351201054056 is a deficient number, since it is larger than the sum of its proper divisors (307300922314).

351201054056 is a wasteful number, since it uses less digits than its factorization.

351201054056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43900131763 (or 43900131759 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 351201054056 in words is "three hundred fifty-one billion, two hundred one million, fifty-four thousand, fifty-six".