928155412905 has 32 divisors (see below), whose sum is σ = 1718682009600. Its totient is φ = 418928732352.

The previous prime is 928155412901. The next prime is 928155412909. The reversal of 928155412905 is 509214551829.

It is an interprime number because it is at equal distance from previous prime (928155412901) and next prime (928155412909).

It is not a de Polignac number, because 928155412905 - 2² = 928155412901 is a prime.

It is a super-2 number, since 2×928155412905² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (928155412901) 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, 55938385 + ... + 55954974.

It is an arithmetic number, because the mean of its divisors is an integer number (53708812800).

Almost surely, 2^928155412905 is an apocalyptic number.

It is an amenable number.

928155412905 is a deficient number, since it is larger than the sum of its proper divisors (790526596695).

928155412905 is a wasteful number, since it uses less digits than its factorization.

928155412905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111893453.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 928155412905 in words is "nine hundred twenty-eight billion, one hundred fifty-five million, four hundred twelve thousand, nine hundred five".