8667011501261 has 8 divisors (see below), whose sum is σ = 8878581971448. Its totient is φ = 8455449600000.

The previous prime is 8667011501249. The next prime is 8667011501287. The reversal of 8667011501261 is 1621051107668.

It can be written as a sum of positive squares in 4 ways, for example, as 2992920760036 + 5674090741225 = 1730006^2 + 2382035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8667011501261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8667011501461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70490 + ... + 4164011.

It is an arithmetic number, because the mean of its divisors is an integer number (1109822746431).

Almost surely, 2^{8667011501261} is an apocalyptic number.

It is an amenable number.

8667011501261 is a deficient number, since it is larger than the sum of its proper divisors (211570470187).

8667011501261 is a wasteful number, since it uses less digits than its factorization.

8667011501261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284463.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 8667011501261 in words is "eight trillion, six hundred sixty-seven billion, eleven million, five hundred one thousand, two hundred sixty-one".