100402011547 has 2 divisors, whose sum is σ = 100402011548. Its totient is φ = 100402011546.

The previous prime is 100402011397. The next prime is 100402011583. The reversal of 100402011547 is 745110204001.

It is a strong prime.

It is an emirp because it is prime and its reverse (745110204001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100402011547 is a prime.

It is not a weakly prime, because it can be changed into another prime (100402011247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50201005773 + 50201005774.

It is an arithmetic number, because the mean of its divisors is an integer number (50201005774).

Almost surely, 2^100402011547 is an apocalyptic number.

100402011547 is a deficient number, since it is larger than the sum of its proper divisors (1).

100402011547 is an equidigital number, since it uses as much as digits as its factorization.

100402011547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 100402011547 its reverse (745110204001), we get a palindrome (845512215548).

The spelling of 100402011547 in words is "one hundred billion, four hundred two million, eleven thousand, five hundred forty-seven".