351121154011 has 4 divisors (see below), whose sum is σ = 351123091632. Its totient is φ = 351119216392.

The previous prime is 351121153973. The next prime is 351121154051. The reversal of 351121154011 is 110451121153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110451121153 = 167 ⋅661383959.

It is a cyclic number.

It is not a de Polignac number, because 351121154011 - 2⁹ = 351121153499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351121154051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665296 + ... + 1069981.

It is an arithmetic number, because the mean of its divisors is an integer number (87780772908).

Almost surely, 2^351121154011 is an apocalyptic number.

351121154011 is a deficient number, since it is larger than the sum of its proper divisors (1937621).

351121154011 is a wasteful number, since it uses less digits than its factorization.

351121154011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937620.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 351121154011 its reverse (110451121153), we get a palindrome (461572275164).

The spelling of 351121154011 in words is "three hundred fifty-one billion, one hundred twenty-one million, one hundred fifty-four thousand, eleven".