1071079941538 has 32 divisors (see below), whose sum is σ = 1708328160000. Its totient is φ = 502217781120.

The previous prime is 1071079941517. The next prime is 1071079941563. The reversal of 1071079941538 is 8351499701701.

It is a super-2 number, since 2×1071079941538² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4221703 + ... + 4468213.

It is an arithmetic number, because the mean of its divisors is an integer number (53385255000).

Almost surely, 2^{1071079941538} is an apocalyptic number.

1071079941538 is a deficient number, since it is larger than the sum of its proper divisors (637248218462).

1071079941538 is a wasteful number, since it uses less digits than its factorization.

1071079941538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247690.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 1071079941538 in words is "one trillion, seventy-one billion, seventy-nine million, nine hundred forty-one thousand, five hundred thirty-eight".