100400553535 has 8 divisors (see below), whose sum is σ = 120513013056. Its totient is φ = 80298876960.

The previous prime is 100400553457. The next prime is 100400553563. The reversal of 100400553535 is 535355004001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100400553535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100400553497 and 100400553506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675236 + ... + 2712505.

It is an arithmetic number, because the mean of its divisors is an integer number (15064126632).

Almost surely, 2^100400553535 is an apocalyptic number.

100400553535 is a deficient number, since it is larger than the sum of its proper divisors (20112459521).

100400553535 is an equidigital number, since it uses as much as digits as its factorization.

100400553535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391473.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 100400553535 its reverse (535355004001), we get a palindrome (635755557536).

The spelling of 100400553535 in words is "one hundred billion, four hundred million, five hundred fifty-three thousand, five hundred thirty-five".