615551616151 has 2 divisors, whose sum is σ = 615551616152. Its totient is φ = 615551616150.

The previous prime is 615551616067. The next prime is 615551616191. The reversal of 615551616151 is 151616155516.

615551616151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 615551616151 - 2²⁷ = 615417398423 is a prime.

It is a super-2 number, since 2×615551616151² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 615551616098 and 615551616107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615551616191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307775808075 + 307775808076.

It is an arithmetic number, because the mean of its divisors is an integer number (307775808076).

Almost surely, 2^615551616151 is an apocalyptic number.

615551616151 is a deficient number, since it is larger than the sum of its proper divisors (1).

615551616151 is an equidigital number, since it uses as much as digits as its factorization.

615551616151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 43.

The spelling of 615551616151 in words is "six hundred fifteen billion, five hundred fifty-one million, six hundred sixteen thousand, one hundred fifty-one".