11615502056061 has 16 divisors (see below), whose sum is σ = 15574867781504. Its totient is φ = 7699939743744.

The previous prime is 11615502056057. The next prime is 11615502056071. The reversal of 11615502056061 is 16065020551611.

It is not a de Polignac number, because 11615502056061 - 2² = 11615502056057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615502056021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3456481 + ... + 5931126.

It is an arithmetic number, because the mean of its divisors is an integer number (973429236344).

Almost surely, 2^{11615502056061} is an apocalyptic number.

It is an amenable number.

11615502056061 is a deficient number, since it is larger than the sum of its proper divisors (3959365725443).

11615502056061 is a wasteful number, since it uses less digits than its factorization.

11615502056061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389940.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 11615502056061 in words is "eleven trillion, six hundred fifteen billion, five hundred two million, fifty-six thousand, sixty-one".