2271381542955 has 48 divisors (see below), whose sum is σ = 4507724792064. Its totient is φ = 1036447513920.

The previous prime is 2271381542923. The next prime is 2271381542993. The reversal of 2271381542955 is 5592451831722.

2271381542955 is a `hidden beast` number, since 2 + 2 + 7 + 1 + 3 + 8 + 1 + 542 + 95 + 5 = 666.

It is not a de Polignac number, because 2271381542955 - 2⁵ = 2271381542923 is a prime.

It is a super-2 number, since 2×2271381542955² (a number of 26 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 6418861 + ... + 6763470.

It is an arithmetic number, because the mean of its divisors is an integer number (93910933168).

Almost surely, 2^{2271381542955} is an apocalyptic number.

2271381542955 is a deficient number, since it is larger than the sum of its proper divisors (2236343249109).

2271381542955 is a wasteful number, since it uses less digits than its factorization.

2271381542955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182896 (or 13182893 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 2271381542955 in words is "two trillion, two hundred seventy-one billion, three hundred eighty-one million, five hundred forty-two thousand, nine hundred fifty-five".