11001511061 has 4 divisors (see below), whose sum is σ = 11108321952. Its totient is φ = 10894700172.

The previous prime is 11001511033. The next prime is 11001511067. The reversal of 11001511061 is 16011510011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11001511061 - 2¹⁴ = 11001494677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001511067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53405291 + ... + 53405496.

It is an arithmetic number, because the mean of its divisors is an integer number (2777080488).

Almost surely, 2^11001511061 is an apocalyptic number.

It is an amenable number.

11001511061 is a deficient number, since it is larger than the sum of its proper divisors (106810891).

11001511061 is a wasteful number, since it uses less digits than its factorization.

11001511061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106810890.

The product of its (nonzero) digits is 30, while the sum is 17.

The spelling of 11001511061 in words is "eleven billion, one million, five hundred eleven thousand, sixty-one".