1056025156215 has 16 divisors (see below), whose sum is σ = 1725590043648. Its totient is φ = 551230152096.

The previous prime is 1056025156139. The next prime is 1056025156247. The reversal of 1056025156215 is 5126515206501.

It is not a de Polignac number, because 1056025156215 - 2⁸ = 1056025155959 is a prime.

It is a super-2 number, since 2×1056025156215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 748953307 + ... + 748954716.

It is an arithmetic number, because the mean of its divisors is an integer number (107849377728).

Almost surely, 2^{1056025156215} is an apocalyptic number.

1056025156215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056025156215 is a deficient number, since it is larger than the sum of its proper divisors (669564887433).

1056025156215 is a wasteful number, since it uses less digits than its factorization.

1056025156215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497908078.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 1056025156215 in words is "one trillion, fifty-six billion, twenty-five million, one hundred fifty-six thousand, two hundred fifteen".