1011052443400 has 96 divisors (see below), whose sum is σ = 2368275463080. Its totient is φ = 401408000000.

The previous prime is 1011052443391. The next prime is 1011052443407. The reversal of 1011052443400 is 43442501101.

It can be written as a sum of positive squares in 12 ways, for example, as 597940306756 + 413112136644 = 773266^2 + 642738^2 .

It is a super-2 number, since 2×1011052443400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1011052443407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14408400 + ... + 14478400.

Almost surely, 2^{1011052443400} is an apocalyptic number.

1011052443400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011052443400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184137731540).

1011052443400 is an abundant number, since it is smaller than the sum of its proper divisors (1357223019680).

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

1011052443400 is a wasteful number, since it uses less digits than its factorization.

1011052443400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70555 (or 70546 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1011052443400 its reverse (43442501101), we get a palindrome (1054494944501).

The spelling of 1011052443400 in words is "one trillion, eleven billion, fifty-two million, four hundred forty-three thousand, four hundred".