15122022151 has 2 divisors, whose sum is σ = 15122022152. Its totient is φ = 15122022150.

The previous prime is 15122022077. The next prime is 15122022187.

It is a happy number.

15122022151 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 15122022151 - 2²⁷ = 14987804423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15122422151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561011075 + 7561011076.

It is an arithmetic number, because the mean of its divisors is an integer number (7561011076).

Almost surely, 2^15122022151 is an apocalyptic number.

15122022151 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122022151 is an equidigital number, since it uses as much as digits as its factorization.

15122022151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

It can be divided in two parts, 151220 and 22151, that added together give a palindrome (173371).

The spelling of 15122022151 in words is "fifteen billion, one hundred twenty-two million, twenty-two thousand, one hundred fifty-one".