1011052341520 has 80 divisors (see below), whose sum is σ = 2599939062000. Its totient is φ = 363222116352.

The previous prime is 1011052341517. The next prime is 1011052341539. The reversal of 1011052341520 is 251432501101.

1011052341520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4698279936 + 1006354061584 = 68544^2 + 1003172^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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, 13098895 + ... + 13175854.

It is an arithmetic number, because the mean of its divisors is an integer number (32499238275).

Almost surely, 2^{1011052341520} is an apocalyptic number.

1011052341520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011052341520 is an abundant number, since it is smaller than the sum of its proper divisors (1588886720480).

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

1011052341520 is a wasteful number, since it uses less digits than its factorization.

1011052341520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26274812 (or 26274806 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1011052341520 its reverse (251432501101), we get a palindrome (1262484842621).

The spelling of 1011052341520 in words is "one trillion, eleven billion, fifty-two million, three hundred forty-one thousand, five hundred twenty".