61106011151 has 2 divisors, whose sum is σ = 61106011152. Its totient is φ = 61106011150.

The previous prime is 61106011147. The next prime is 61106011177. The reversal of 61106011151 is 15111060116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61106011151 - 2² = 61106011147 is a prime.

It is a super-2 number, since 2×61106011151² (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 (61106011751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30553005575 + 30553005576.

It is an arithmetic number, because the mean of its divisors is an integer number (30553005576).

Almost surely, 2^61106011151 is an apocalyptic number.

61106011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61106011151 is an equidigital number, since it uses as much as digits as its factorization.

61106011151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 61106011151 its reverse (15111060116), we get a palindrome (76217071267).

The spelling of 61106011151 in words is "sixty-one billion, one hundred six million, eleven thousand, one hundred fifty-one".