24087640061 has 2 divisors, whose sum is σ = 24087640062. Its totient is φ = 24087640060.

The previous prime is 24087640009. The next prime is 24087640067. The reversal of 24087640061 is 16004678042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17714012836 + 6373627225 = 133094^2 + 79835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24087640061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24087639997 and 24087640024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24087640067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12043820030 + 12043820031.

It is an arithmetic number, because the mean of its divisors is an integer number (12043820031).

Almost surely, 2^24087640061 is an apocalyptic number.

It is an amenable number.

24087640061 is a deficient number, since it is larger than the sum of its proper divisors (1).

24087640061 is an equidigital number, since it uses as much as digits as its factorization.

24087640061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 24087640061 in words is "twenty-four billion, eighty-seven million, six hundred forty thousand, sixty-one".