1021051061652 has 48 divisors (see below), whose sum is σ = 2547572997312. Its totient is φ = 317158156800.

The previous prime is 1021051061629. The next prime is 1021051061687. The reversal of 1021051061652 is 2561601501201.

It is a congruent number.

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, 24757378 + ... + 24798585.

It is an arithmetic number, because the mean of its divisors is an integer number (53074437444).

Almost surely, 2^{1021051061652} is an apocalyptic number.

1021051061652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021051061652 is an abundant number, since it is smaller than the sum of its proper divisors (1526521935660).

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

1021051061652 is a wasteful number, since it uses less digits than its factorization.

1021051061652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49556088 (or 49556086 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 1021051061652 its reverse (2561601501201), we get a palindrome (3582652562853).

The spelling of 1021051061652 in words is "one trillion, twenty-one billion, fifty-one million, sixty-one thousand, six hundred fifty-two".