1401111506046 has 128 divisors (see below), whose sum is σ = 3273904429056. Its totient is φ = 391499827200.

The previous prime is 1401111506023. The next prime is 1401111506071. The reversal of 1401111506046 is 6406051111041.

It is a super-2 number, since 2×1401111506046² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 283795690 + ... + 283800626.

It is an arithmetic number, because the mean of its divisors is an integer number (25577378352).

Almost surely, 2^{1401111506046} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401111506046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636952214528).

1401111506046 is an abundant number, since it is smaller than the sum of its proper divisors (1872792923010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401111506046 is a wasteful number, since it uses less digits than its factorization.

1401111506046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786.

The product of its (nonzero) digits is 2880, while the sum is 30.

Adding to 1401111506046 its reverse (6406051111041), we get a palindrome (7807162617087).

The spelling of 1401111506046 in words is "one trillion, four hundred one billion, one hundred eleven million, five hundred six thousand, forty-six".