2145050552331 has 8 divisors (see below), whose sum is σ = 3177852670160. Its totient is φ = 1430033701536.

The previous prime is 2145050552321. The next prime is 2145050552353. The reversal of 2145050552331 is 1332550505412.

2145050552331 is a `hidden beast` number, since 2 + 1 + 4 + 50 + 50 + 5 + 523 + 31 = 666.

It is not a de Polignac number, because 2145050552331 - 2⁵ = 2145050552299 is a prime.

It is a super-2 number, since 2×2145050552331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145050552321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39723158350 + ... + 39723158403.

It is an arithmetic number, because the mean of its divisors is an integer number (397231583770).

Almost surely, 2^{2145050552331} is an apocalyptic number.

2145050552331 is a deficient number, since it is larger than the sum of its proper divisors (1032802117829).

2145050552331 is an equidigital number, since it uses as much as digits as its factorization.

2145050552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79446316762 (or 79446316756 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 2145050552331 in words is "two trillion, one hundred forty-five billion, fifty million, five hundred fifty-two thousand, three hundred thirty-one".