1051553134420 has 12 divisors (see below), whose sum is σ = 2208261582324. Its totient is φ = 420621253760.

The previous prime is 1051553134403. The next prime is 1051553134531. The reversal of 1051553134420 is 244313551501.

It can be written as a sum of positive squares in 2 ways, for example, as 813600392004 + 237952742416 = 901998^2 + 487804^2 .

It is a super-2 number, since 2×1051553134420² (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 3 ways as a sum of consecutive naturals, for example, 26288828341 + ... + 26288828380.

It is an arithmetic number, because the mean of its divisors is an integer number (184021798527).

Almost surely, 2^{1051553134420} is an apocalyptic number.

1051553134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051553134420 is an abundant number, since it is smaller than the sum of its proper divisors (1156708447904).

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

1051553134420 is a wasteful number, since it uses less digits than its factorization.

1051553134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52577656730 (or 52577656728 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1051553134420 its reverse (244313551501), we get a palindrome (1295866685921).

The spelling of 1051553134420 in words is "one trillion, fifty-one billion, five hundred fifty-three million, one hundred thirty-four thousand, four hundred twenty".