87253028111 has 2 divisors, whose sum is σ = 87253028112. Its totient is φ = 87253028110.

The previous prime is 87253028089. The next prime is 87253028131. The reversal of 87253028111 is 11182035278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87253028111 - 2¹⁸ = 87252765967 is a prime.

It is a super-2 number, since 2×87253028111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87253028131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43626514055 + 43626514056.

It is an arithmetic number, because the mean of its divisors is an integer number (43626514056).

Almost surely, 2^87253028111 is an apocalyptic number.

87253028111 is a deficient number, since it is larger than the sum of its proper divisors (1).

87253028111 is an equidigital number, since it uses as much as digits as its factorization.

87253028111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 87253028111 in words is "eighty-seven billion, two hundred fifty-three million, twenty-eight thousand, one hundred eleven".