61151020301 has 4 divisors (see below), whose sum is σ = 69886880352. Its totient is φ = 52415160252.

The previous prime is 61151020279. The next prime is 61151020303. The reversal of 61151020301 is 10302015116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-61151020301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61151020303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4367930015 + ... + 4367930028.

It is an arithmetic number, because the mean of its divisors is an integer number (17471720088).

Almost surely, 2^61151020301 is an apocalyptic number.

It is an amenable number.

61151020301 is a deficient number, since it is larger than the sum of its proper divisors (8735860051).

61151020301 is an equidigital number, since it uses as much as digits as its factorization.

61151020301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735860050.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 61151020301 its reverse (10302015116), we get a palindrome (71453035417).

The spelling of 61151020301 in words is "sixty-one billion, one hundred fifty-one million, twenty thousand, three hundred one".