872151507251 has 2 divisors, whose sum is σ = 872151507252. Its totient is φ = 872151507250.

The previous prime is 872151507223. The next prime is 872151507277. The reversal of 872151507251 is 152705151278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872151507251 - 2¹⁰ = 872151506227 is a prime.

It is a super-2 number, since 2×872151507251² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872151501251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436075753625 + 436075753626.

It is an arithmetic number, because the mean of its divisors is an integer number (436075753626).

Almost surely, 2^872151507251 is an apocalyptic number.

872151507251 is a deficient number, since it is larger than the sum of its proper divisors (1).

872151507251 is an equidigital number, since it uses as much as digits as its factorization.

872151507251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 44.

The spelling of 872151507251 in words is "eight hundred seventy-two billion, one hundred fifty-one million, five hundred seven thousand, two hundred fifty-one".