100087525845 has 24 divisors (see below), whose sum is σ = 173494035000. Its totient is φ = 53377247616.

The previous prime is 100087525841. The next prime is 100087525849. The reversal of 100087525845 is 548525780001.

100087525845 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 87 + 525 + 8 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (100087525841) and next prime (100087525849).

It can be written as a sum of positive squares in 4 ways, for example, as 44673895044 + 55413630801 = 211362^2 + 235401^2 .

It is not a de Polignac number, because 100087525845 - 2² = 100087525841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 100087525845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100087525841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057531 + ... + 1148279.

It is an arithmetic number, because the mean of its divisors is an integer number (7228918125).

Almost surely, 2^100087525845 is an apocalyptic number.

100087525845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100087525845 is a deficient number, since it is larger than the sum of its proper divisors (73406509155).

100087525845 is a wasteful number, since it uses less digits than its factorization.

100087525845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115269 (or 115266 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 100087525845 in words is "one hundred billion, eighty-seven million, five hundred twenty-five thousand, eight hundred forty-five".