100402011511 has 4 divisors (see below), whose sum is σ = 100565800072. Its totient is φ = 100238222952.

The previous prime is 100402011397. The next prime is 100402011547. The reversal of 100402011511 is 115110204001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115110204001 = 13 ⋅8854631077.

It is a cyclic number.

It is not a de Polignac number, because 100402011511 - 2³¹ = 98254527863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402011811) 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, 81893361 + ... + 81894586.

It is an arithmetic number, because the mean of its divisors is an integer number (25141450018).

Almost surely, 2^100402011511 is an apocalyptic number.

100402011511 is a deficient number, since it is larger than the sum of its proper divisors (163788561).

100402011511 is an equidigital number, since it uses as much as digits as its factorization.

100402011511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163788560.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 100402011511 its reverse (115110204001), we get a palindrome (215512215512).

The spelling of 100402011511 in words is "one hundred billion, four hundred two million, eleven thousand, five hundred eleven".