11661055001146 has 16 divisors (see below), whose sum is σ = 17821861266600. Its totient is φ = 5720437651968.

The previous prime is 11661055001131. The next prime is 11661055001147. The reversal of 11661055001146 is 64110055016611.

It can be written as a sum of positive squares in 4 ways, for example, as 9578474097921 + 2082580903225 = 3094911^2 + 1443115^2 .

It is a super-2 number, since 2×11661055001146² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11661055001147) 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, 7250050 + ... + 8711218.

Almost surely, 2^{11661055001146} is an apocalyptic number.

11661055001146 is a deficient number, since it is larger than the sum of its proper divisors (6160806265454).

11661055001146 is a wasteful number, since it uses less digits than its factorization.

11661055001146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536513.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 11661055001146 in words is "eleven trillion, six hundred sixty-one billion, fifty-five million, one thousand, one hundred forty-six".