102640200511 has 16 divisors (see below), whose sum is σ = 107581874400. Its totient is φ = 97800393600.

The previous prime is 102640200451. The next prime is 102640200529. The reversal of 102640200511 is 115002046201.

It is a cyclic number.

It is not a de Polignac number, because 102640200511 - 2²⁹ = 102103329599 is a prime.

It is a super-2 number, since 2×102640200511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102640200571) 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, 612985 + ... + 762253.

It is an arithmetic number, because the mean of its divisors is an integer number (6723867150).

Almost surely, 2^102640200511 is an apocalyptic number.

102640200511 is a deficient number, since it is larger than the sum of its proper divisors (4941673889).

102640200511 is a wasteful number, since it uses less digits than its factorization.

102640200511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149610.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 102640200511 its reverse (115002046201), we get a palindrome (217642246712).

The spelling of 102640200511 in words is "one hundred two billion, six hundred forty million, two hundred thousand, five hundred eleven".