1577505112122 has 16 divisors (see below), whose sum is σ = 3231961693632. Its totient is φ = 513009792480.

The previous prime is 1577505112109. The next prime is 1577505112129. The reversal of 1577505112122 is 2212115057751.

It is not an unprimeable number, because it can be changed into a prime (1577505112129) 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 7 ways as a sum of consecutive naturals, for example, 3206310958 + ... + 3206311449.

It is an arithmetic number, because the mean of its divisors is an integer number (201997605852).

Almost surely, 2^{1577505112122} is an apocalyptic number.

1577505112122 is an abundant number, since it is smaller than the sum of its proper divisors (1654456581510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1577505112122 is a wasteful number, since it uses less digits than its factorization.

1577505112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412622453.

The product of its (nonzero) digits is 49000, while the sum is 39.

The spelling of 1577505112122 in words is "one trillion, five hundred seventy-seven billion, five hundred five million, one hundred twelve thousand, one hundred twenty-two".