1061435534215 has 32 divisors (see below), whose sum is σ = 1470537903744. Its totient is φ = 720418406400.

The previous prime is 1061435534213. The next prime is 1061435534297. The reversal of 1061435534215 is 5124355341601.

It is not a de Polignac number, because 1061435534215 - 2¹ = 1061435534213 is a prime.

It is a super-2 number, since 2×1061435534215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061435534213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12177067 + ... + 12263923.

It is an arithmetic number, because the mean of its divisors is an integer number (45954309492).

Almost surely, 2^{1061435534215} is an apocalyptic number.

1061435534215 is a deficient number, since it is larger than the sum of its proper divisors (409102369529).

1061435534215 is a wasteful number, since it uses less digits than its factorization.

1061435534215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90427.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1061435534215 in words is "one trillion, sixty-one billion, four hundred thirty-five million, five hundred thirty-four thousand, two hundred fifteen".