100545561525 has 12 divisors (see below), whose sum is σ = 166235328512. Its totient is φ = 53624299440.

The previous prime is 100545561511. The next prime is 100545561547. The reversal of 100545561525 is 525165545001.

It is not a de Polignac number, because 100545561525 - 2¹³ = 100545553333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670303669 + ... + 670303818.

Almost surely, 2^100545561525 is an apocalyptic number.

100545561525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100545561525 is a deficient number, since it is larger than the sum of its proper divisors (65689766987).

100545561525 is a wasteful number, since it uses less digits than its factorization.

100545561525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340607500 (or 1340607495 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 100545561525 in words is "one hundred billion, five hundred forty-five million, five hundred sixty-one thousand, five hundred twenty-five".