101511442406 has 32 divisors (see below), whose sum is σ = 176281712640. Its totient is φ = 43328361600.

The previous prime is 101511442369. The next prime is 101511442447. The reversal of 101511442406 is 604244115101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144950 + ... + 473321.

It is an arithmetic number, because the mean of its divisors is an integer number (5508803520).

Almost surely, 2^101511442406 is an apocalyptic number.

101511442406 is a deficient number, since it is larger than the sum of its proper divisors (74770270234).

101511442406 is a wasteful number, since it uses less digits than its factorization.

101511442406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618740.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 101511442406 its reverse (604244115101), we get a palindrome (705755557507).

The spelling of 101511442406 in words is "one hundred one billion, five hundred eleven million, four hundred forty-two thousand, four hundred six".