101040401501 has 4 divisors (see below), whose sum is σ = 108812740092. Its totient is φ = 93268062912.

The previous prime is 101040401477. The next prime is 101040401507. The reversal of 101040401501 is 105104040101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105104040101 = 2917 ⋅36031553.

It can be written as a sum of positive squares in 2 ways, for example, as 13847170276 + 87193231225 = 117674^2 + 295285^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040401501 - 2¹⁸ = 101040139357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101040401501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101040401507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886169276 + ... + 3886169301.

It is an arithmetic number, because the mean of its divisors is an integer number (27203185023).

Almost surely, 2^101040401501 is an apocalyptic number.

It is an amenable number.

101040401501 is a deficient number, since it is larger than the sum of its proper divisors (7772338591).

101040401501 is an equidigital number, since it uses as much as digits as its factorization.

101040401501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772338590.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 101040401501 its reverse (105104040101), we get a palindrome (206144441602).

The spelling of 101040401501 in words is "one hundred one billion, forty million, four hundred one thousand, five hundred one".