1011401911726 has 8 divisors (see below), whose sum is σ = 1583063861904. Its totient is φ = 483713957760.

The previous prime is 1011401911691. The next prime is 1011401911727. The reversal of 1011401911726 is 6271191041101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1011401911691 and 1011401911700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011401911727) 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, 10993498995 + ... + 10993499086.

It is an arithmetic number, because the mean of its divisors is an integer number (197882982738).

Almost surely, 2^{1011401911726} is an apocalyptic number.

1011401911726 is a deficient number, since it is larger than the sum of its proper divisors (571661950178).

1011401911726 is a wasteful number, since it uses less digits than its factorization.

1011401911726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21986998106.

The product of its (nonzero) digits is 3024, while the sum is 34.

Adding to 1011401911726 its reverse (6271191041101), we get a palindrome (7282592952827).

The spelling of 1011401911726 in words is "one trillion, eleven billion, four hundred one million, nine hundred eleven thousand, seven hundred twenty-six".