61001257151 has 2 divisors, whose sum is σ = 61001257152. Its totient is φ = 61001257150.

The previous prime is 61001257039. The next prime is 61001257153. The reversal of 61001257151 is 15175210016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61001257151 is a prime.

It is a Sophie Germain prime.

Together with 61001257153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61001257153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500628575 + 30500628576.

It is an arithmetic number, because the mean of its divisors is an integer number (30500628576).

Almost surely, 2^61001257151 is an apocalyptic number.

61001257151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61001257151 is an equidigital number, since it uses as much as digits as its factorization.

61001257151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 29.

Adding to 61001257151 its reverse (15175210016), we get a palindrome (76176467167).

The spelling of 61001257151 in words is "sixty-one billion, one million, two hundred fifty-seven thousand, one hundred fifty-one".