1971105514 has 16 divisors (see below), whose sum is σ = 3470364288. Its totient is φ = 821927952.

The previous prime is 1971105503. The next prime is 1971105523. The reversal of 1971105514 is 4155011791.

It is a self number, because there is not a number n which added to its sum of digits gives 1971105514.

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, 1902094 + ... + 1903129.

It is an arithmetic number, because the mean of its divisors is an integer number (216897768).

Almost surely, 2^1971105514 is an apocalyptic number.

1971105514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1971105514 is a deficient number, since it is larger than the sum of its proper divisors (1499258774).

1971105514 is a wasteful number, since it uses less digits than its factorization.

1971105514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805269.

The product of its (nonzero) digits is 6300, while the sum is 34.

The square root of 1971105514 is about 44397.1340741719. The cubic root of 1971105514 is about 1253.8241318686.

The spelling of 1971105514 in words is "one billion, nine hundred seventy-one million, one hundred five thousand, five hundred fourteen".