1528775026345 has 8 divisors (see below), whose sum is σ = 2096605750464. Its totient is φ = 1048302875184.

The previous prime is 1528775026321. The next prime is 1528775026381. The reversal of 1528775026345 is 5436205778251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1528775026345 - 2⁷ = 1528775026217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21839643199 + ... + 21839643268.

It is an arithmetic number, because the mean of its divisors is an integer number (262075718808).

Almost surely, 2^{1528775026345} is an apocalyptic number.

It is an amenable number.

1528775026345 is a deficient number, since it is larger than the sum of its proper divisors (567830724119).

1528775026345 is an equidigital number, since it uses as much as digits as its factorization.

1528775026345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43679286479.

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 1528775026345 in words is "one trillion, five hundred twenty-eight billion, seven hundred seventy-five million, twenty-six thousand, three hundred forty-five".