36561011142 has 16 divisors (see below), whose sum is σ = 73943619120. Its totient is φ = 12050070912.

The previous prime is 36561011141. The next prime is 36561011143. The reversal of 36561011142 is 24111016563.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36561011141) and next prime (36561011143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36561011141) 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, 34232623 + ... + 34233690.

It is an arithmetic number, because the mean of its divisors is an integer number (4621476195).

Almost surely, 2^36561011142 is an apocalyptic number.

36561011142 is an abundant number, since it is smaller than the sum of its proper divisors (37382607978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36561011142 is a wasteful number, since it uses less digits than its factorization.

36561011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68466407.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 36561011142 in words is "thirty-six billion, five hundred sixty-one million, eleven thousand, one hundred forty-two".