102001087761 has 16 divisors (see below), whose sum is σ = 136153903104. Its totient is φ = 67924548944.

The previous prime is 102001087759. The next prime is 102001087789. The reversal of 102001087761 is 167780100201.

It is a cyclic number.

It is not a de Polignac number, because 102001087761 - 2¹ = 102001087759 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102001087751) 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, 11935456 + ... + 11943998.

It is an arithmetic number, because the mean of its divisors is an integer number (8509618944).

Almost surely, 2^102001087761 is an apocalyptic number.

It is an amenable number.

102001087761 is a deficient number, since it is larger than the sum of its proper divisors (34152815343).

102001087761 is a wasteful number, since it uses less digits than its factorization.

102001087761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540.

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 102001087761 its reverse (167780100201), we get a palindrome (269781187962).

The spelling of 102001087761 in words is "one hundred two billion, one million, eighty-seven thousand, seven hundred sixty-one".