1065066615501 has 32 divisors (see below), whose sum is σ = 1655670259968. Its totient is φ = 596448852480.

The previous prime is 1065066615469. The next prime is 1065066615523. The reversal of 1065066615501 is 1055166605601.

It is not a de Polignac number, because 1065066615501 - 2⁵ = 1065066615469 is a prime.

It is a super-2 number, since 2×1065066615501² (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 (1065066615541) 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, 1971930 + ... + 2453291.

It is an arithmetic number, because the mean of its divisors is an integer number (51739695624).

Almost surely, 2^{1065066615501} is an apocalyptic number.

It is an amenable number.

1065066615501 is a deficient number, since it is larger than the sum of its proper divisors (590603644467).

1065066615501 is a wasteful number, since it uses less digits than its factorization.

1065066615501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425461.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1065066615501 in words is "one trillion, sixty-five billion, sixty-six million, six hundred fifteen thousand, five hundred one".