61000005607 has 2 divisors, whose sum is σ = 61000005608. Its totient is φ = 61000005606.

The previous prime is 61000005559. The next prime is 61000005617. The reversal of 61000005607 is 70650000016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61000005607 - 2³⁵ = 26640267239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61000005617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500002803 + 30500002804.

It is an arithmetic number, because the mean of its divisors is an integer number (30500002804).

Almost surely, 2^61000005607 is an apocalyptic number.

61000005607 is a deficient number, since it is larger than the sum of its proper divisors (1).

61000005607 is an equidigital number, since it uses as much as digits as its factorization.

61000005607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 61000005607 in words is "sixty-one billion, five thousand, six hundred seven".