351380681855 has 32 divisors (see below), whose sum is σ = 500607098880. Its totient is φ = 231688978560.

The previous prime is 351380681849. The next prime is 351380681857. The reversal of 351380681855 is 558186083153.

It is not a de Polignac number, because 351380681855 - 2⁶ = 351380681791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351380681797 and 351380681806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351380681857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861035 + ... + 1201724.

It is an arithmetic number, because the mean of its divisors is an integer number (15643971840).

Almost surely, 2^351380681855 is an apocalyptic number.

351380681855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

351380681855 is a deficient number, since it is larger than the sum of its proper divisors (149226417025).

351380681855 is a wasteful number, since it uses less digits than its factorization.

351380681855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062959.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 351380681855 in words is "three hundred fifty-one billion, three hundred eighty million, six hundred eighty-one thousand, eight hundred fifty-five".