100401103525 has 12 divisors (see below), whose sum is σ = 128513413504. Its totient is φ = 77729886000.

The previous prime is 100401103519. The next prime is 100401103553. The reversal of 100401103525 is 525301104001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-100401103525 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100401103496 and 100401103505.

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, 64774131 + ... + 64775680.

Almost surely, 2^100401103525 is an apocalyptic number.

It is an amenable number.

100401103525 is a deficient number, since it is larger than the sum of its proper divisors (28112309979).

100401103525 is a wasteful number, since it uses less digits than its factorization.

100401103525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129549852 (or 129549847 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 100401103525 its reverse (525301104001), we get a palindrome (625702207526).

The spelling of 100401103525 in words is "one hundred billion, four hundred one million, one hundred three thousand, five hundred twenty-five".