351140525221145 has 24 divisors (see below), whose sum is σ = 463505232718080. Its totient is φ = 255374926847920.

The previous prime is 351140525221007. The next prime is 351140525221177. The reversal of 351140525221145 is 541122525041153.

It is not a de Polignac number, because 351140525221145 - 2¹⁴ = 351140525204761 is a prime.

It is a super-2 number, since 2×351140525221145² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217225385 + ... + 218835894.

It is an arithmetic number, because the mean of its divisors is an integer number (19312718029920).

Almost surely, 2^{351140525221145} is an apocalyptic number.

It is an amenable number.

351140525221145 is a deficient number, since it is larger than the sum of its proper divisors (112364707496935).

351140525221145 is an frugal number, since it uses more digits than its factorization.

351140525221145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436061339 (or 436061295 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 351140525221145 in words is "three hundred fifty-one trillion, one hundred forty billion, five hundred twenty-five million, two hundred twenty-one thousand, one hundred forty-five".