61153827851 has 2 divisors, whose sum is σ = 61153827852. Its totient is φ = 61153827850.

The previous prime is 61153827841. The next prime is 61153827859. The reversal of 61153827851 is 15872835116.

61153827851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61153827851 - 2²² = 61149633547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61153827796 and 61153827805.

It is not a weakly prime, because it can be changed into another prime (61153827859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576913925 + 30576913926.

It is an arithmetic number, because the mean of its divisors is an integer number (30576913926).

Almost surely, 2^61153827851 is an apocalyptic number.

61153827851 is a deficient number, since it is larger than the sum of its proper divisors (1).

61153827851 is an equidigital number, since it uses as much as digits as its factorization.

61153827851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 47.

The spelling of 61153827851 in words is "sixty-one billion, one hundred fifty-three million, eight hundred twenty-seven thousand, eight hundred fifty-one".