100601401465 has 4 divisors (see below), whose sum is σ = 120721681764. Its totient is φ = 80481121168.

The previous prime is 100601401451. The next prime is 100601401477. The reversal of 100601401465 is 564104106001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35480996496 + 65120404969 = 188364^2 + 255187^2 .

It is a cyclic number.

It is not a de Polignac number, because 100601401465 - 2¹³ = 100601393273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060140142 + ... + 10060140151.

It is an arithmetic number, because the mean of its divisors is an integer number (30180420441).

Almost surely, 2^100601401465 is an apocalyptic number.

It is an amenable number.

100601401465 is a deficient number, since it is larger than the sum of its proper divisors (20120280299).

100601401465 is an equidigital number, since it uses as much as digits as its factorization.

100601401465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120280298.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 100601401465 its reverse (564104106001), we get a palindrome (664705507466).

The spelling of 100601401465 in words is "one hundred billion, six hundred one million, four hundred one thousand, four hundred sixty-five".