10111087485 has 12 divisors (see below), whose sum is σ = 17525885052. Its totient is φ = 5392579968.

The previous prime is 10111087457. The next prime is 10111087489. The reversal of 10111087485 is 58478011101.

It can be written as a sum of positive squares in 2 ways, for example, as 2050459524 + 8060627961 = 45282^2 + 89781^2 .

It is not a de Polignac number, because 10111087485 - 2¹⁵ = 10111054717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111087489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112345372 + ... + 112345461.

It is an arithmetic number, because the mean of its divisors is an integer number (1460490421).

Almost surely, 2^10111087485 is an apocalyptic number.

10111087485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10111087485 is a deficient number, since it is larger than the sum of its proper divisors (7414797567).

10111087485 is a wasteful number, since it uses less digits than its factorization.

10111087485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224690844 (or 224690841 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

Adding to 10111087485 its reverse (58478011101), we get a palindrome (68589098586).

The spelling of 10111087485 in words is "ten billion, one hundred eleven million, eighty-seven thousand, four hundred eighty-five".