401322311512115 has 16 divisors (see below), whose sum is σ = 553680602237952. Its totient is φ = 273544583240544.

The previous prime is 401322311512097. The next prime is 401322311512117. The reversal of 401322311512115 is 511215113223104.

It is not a de Polignac number, because 401322311512115 - 2⁸ = 401322311511859 is a prime.

It is a super-2 number, since 2×401322311512115² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401322311512117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34330388639 + ... + 34330400328.

It is an arithmetic number, because the mean of its divisors is an integer number (34605037639872).

Almost surely, 2^{401322311512115} is an apocalyptic number.

401322311512115 is a deficient number, since it is larger than the sum of its proper divisors (152358290725837).

401322311512115 is a wasteful number, since it uses less digits than its factorization.

401322311512115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68660789146.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 401322311512115 its reverse (511215113223104), we get a palindrome (912537424735219).

The spelling of 401322311512115 in words is "four hundred one trillion, three hundred twenty-two billion, three hundred eleven million, five hundred twelve thousand, one hundred fifteen".