1213554112151 has 2 divisors, whose sum is σ = 1213554112152. Its totient is φ = 1213554112150.

The previous prime is 1213554112139. The next prime is 1213554112163. The reversal of 1213554112151 is 1512114553121.

It is a balanced prime because it is at equal distance from previous prime (1213554112139) and next prime (1213554112163).

It is a cyclic number.

It is not a de Polignac number, because 1213554112151 - 2⁶ = 1213554112087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213554112171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606777056075 + 606777056076.

It is an arithmetic number, because the mean of its divisors is an integer number (606777056076).

Almost surely, 2^{1213554112151} is an apocalyptic number.

1213554112151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213554112151 is an equidigital number, since it uses as much as digits as its factorization.

1213554112151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 32.

Adding to 1213554112151 its reverse (1512114553121), we get a palindrome (2725668665272).

The spelling of 1213554112151 in words is "one trillion, two hundred thirteen billion, five hundred fifty-four million, one hundred twelve thousand, one hundred fifty-one".