1111111061001 has 8 divisors (see below), whose sum is σ = 1481553838080. Its totient is φ = 740704495632.

The previous prime is 1111111060981. The next prime is 1111111061017. The reversal of 1111111061001 is 1001601111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111111061001 - 2²¹ = 1111108963849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111111061701) 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, 8981250 + ... + 9104123.

It is an arithmetic number, because the mean of its divisors is an integer number (185194229760).

Almost surely, 2^{1111111061001} is an apocalyptic number.

It is an amenable number.

1111111061001 is a deficient number, since it is larger than the sum of its proper divisors (370442777079).

1111111061001 is a wasteful number, since it uses less digits than its factorization.

1111111061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105855.

The product of its (nonzero) digits is 6, while the sum is 15.

Adding to 1111111061001 its reverse (1001601111111), we get a palindrome (2112712172112).

The spelling of 1111111061001 in words is "one trillion, one hundred eleven billion, one hundred eleven million, sixty-one thousand, one".