351212115055 has 8 divisors (see below), whose sum is σ = 421564115232. Its totient is φ = 280896640608.

The previous prime is 351212115049. The next prime is 351212115119. The reversal of 351212115055 is 550511212153.

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

It is a cyclic number.

It is not a de Polignac number, because 351212115055 - 2³ = 351212115047 is a prime.

It is a super-2 number, since 2×351212115055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9110272 + ... + 9148741.

It is an arithmetic number, because the mean of its divisors is an integer number (52695514404).

Almost surely, 2^351212115055 is an apocalyptic number.

351212115055 is a deficient number, since it is larger than the sum of its proper divisors (70352000177).

351212115055 is a wasteful number, since it uses less digits than its factorization.

351212115055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18262865.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 351212115055 in words is "three hundred fifty-one billion, two hundred twelve million, one hundred fifteen thousand, fifty-five".