80540152561 has 12 divisors (see below), whose sum is σ = 93334361040. Its totient is φ = 68911357760.

The previous prime is 80540152559. The next prime is 80540152577. The reversal of 80540152561 is 16525104508.

It is not a de Polignac number, because 80540152561 - 2¹ = 80540152559 is a prime.

It is a super-3 number, since 3×80540152561³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80540152561.

It is not an unprimeable number, because it can be changed into a prime (80540152501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12664351 + ... + 12670708.

It is an arithmetic number, because the mean of its divisors is an integer number (7777863420).

Almost surely, 2^80540152561 is an apocalyptic number.

It is an amenable number.

80540152561 is a deficient number, since it is larger than the sum of its proper divisors (12794208479).

80540152561 is a wasteful number, since it uses less digits than its factorization.

80540152561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25335104 (or 25335087 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 80540152561 in words is "eighty billion, five hundred forty million, one hundred fifty-two thousand, five hundred sixty-one".