351242012155 has 4 divisors (see below), whose sum is σ = 421490414592. Its totient is φ = 280993609720.

The previous prime is 351242012131. The next prime is 351242012171. The reversal of 351242012155 is 551210242153.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 351242012155 - 2⁹ = 351242011643 is a prime.

It is a super-2 number, since 2×351242012155² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35124201211 + ... + 35124201220.

It is an arithmetic number, because the mean of its divisors is an integer number (105372603648).

Almost surely, 2^351242012155 is an apocalyptic number.

351242012155 is a deficient number, since it is larger than the sum of its proper divisors (70248402437).

351242012155 is an equidigital number, since it uses as much as digits as its factorization.

351242012155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70248402436.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 351242012155 in words is "three hundred fifty-one billion, two hundred forty-two million, twelve thousand, one hundred fifty-five".