1011309672965 has 16 divisors (see below), whose sum is σ = 1220990174208. Its totient is φ = 804113794176.

The previous prime is 1011309672869. The next prime is 1011309672973. The reversal of 1011309672965 is 5692769031101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011309672965 is a prime.

It is a Duffinian number.

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, 47057 + ... + 1422966.

It is an arithmetic number, because the mean of its divisors is an integer number (76311885888).

Almost surely, 2^{1011309672965} is an apocalyptic number.

It is an amenable number.

1011309672965 is a deficient number, since it is larger than the sum of its proper divisors (209680501243).

1011309672965 is a wasteful number, since it uses less digits than its factorization.

1011309672965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470868.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 1011309672965 in words is "one trillion, eleven billion, three hundred nine million, six hundred seventy-two thousand, nine hundred sixty-five".