61632052159 has 2 divisors, whose sum is σ = 61632052160. Its totient is φ = 61632052158.

The previous prime is 61632052117. The next prime is 61632052169. The reversal of 61632052159 is 95125023616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61632052159 - 2¹¹ = 61632050111 is a prime.

It is a super-2 number, since 2×61632052159² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61632052169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30816026079 + 30816026080.

It is an arithmetic number, because the mean of its divisors is an integer number (30816026080).

Almost surely, 2^61632052159 is an apocalyptic number.

61632052159 is a deficient number, since it is larger than the sum of its proper divisors (1).

61632052159 is an equidigital number, since it uses as much as digits as its factorization.

61632052159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 61632052159 in words is "sixty-one billion, six hundred thirty-two million, fifty-two thousand, one hundred fifty-nine".