351451555451121 has 16 divisors (see below), whose sum is σ = 470738989324800. Its totient is φ = 233232738026880.

The previous prime is 351451555451111. The next prime is 351451555451287. The reversal of 351451555451121 is 121154555154153.

It is not a de Polignac number, because 351451555451121 - 2²¹ = 351451553353969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351451555451111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10979346 + ... + 28695803.

It is an arithmetic number, because the mean of its divisors is an integer number (29421186832800).

Almost surely, 2^{351451555451121} is an apocalyptic number.

It is an amenable number.

351451555451121 is a deficient number, since it is larger than the sum of its proper divisors (119287433873679).

351451555451121 is a wasteful number, since it uses less digits than its factorization.

351451555451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39688616.

The product of its digits is 1500000, while the sum is 48.

The spelling of 351451555451121 in words is "three hundred fifty-one trillion, four hundred fifty-one billion, five hundred fifty-five million, four hundred fifty-one thousand, one hundred twenty-one".