2145326504056 has 32 divisors (see below), whose sum is σ = 4214218682880. Its totient is φ = 1022567752800.

The previous prime is 2145326504047. The next prime is 2145326504081. The reversal of 2145326504056 is 6504056235412.

It is a super-2 number, since 2×2145326504056² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 64539430 + ... + 64572661.

It is an arithmetic number, because the mean of its divisors is an integer number (131694333840).

Almost surely, 2^{2145326504056} is an apocalyptic number.

It is an amenable number.

2145326504056 is a deficient number, since it is larger than the sum of its proper divisors (2068892178824).

2145326504056 is a wasteful number, since it uses less digits than its factorization.

2145326504056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129112195 (or 129112191 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 2145326504056 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, five hundred four thousand, fifty-six".