1071973554278 has 16 divisors (see below), whose sum is σ = 1754378084160. Its totient is φ = 487194167400.

The previous prime is 1071973554277. The next prime is 1071973554293. The reversal of 1071973554278 is 8724553791701.

It is a super-2 number, since 2×1071973554278² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071973554277) 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, 3162008 + ... + 3484571.

It is an arithmetic number, because the mean of its divisors is an integer number (109648630260).

Almost surely, 2^{1071973554278} is an apocalyptic number.

1071973554278 is a deficient number, since it is larger than the sum of its proper divisors (682404529882).

1071973554278 is a wasteful number, since it uses less digits than its factorization.

1071973554278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653923.

The product of its (nonzero) digits is 14817600, while the sum is 59.

The spelling of 1071973554278 in words is "one trillion, seventy-one billion, nine hundred seventy-three million, five hundred fifty-four thousand, two hundred seventy-eight".