77522651226011 has 4 divisors (see below), whose sum is σ = 78042937476000. Its totient is φ = 77002364976024.

The previous prime is 77522651225993. The next prime is 77522651226101. The reversal of 77522651226011 is 11062215622577.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77522651226011 is a prime.

It is a super-2 number, since 2×77522651226011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77522651226311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260143124771 + ... + 260143125068.

It is an arithmetic number, because the mean of its divisors is an integer number (19510734369000).

Almost surely, 2^{77522651226011} is an apocalyptic number.

77522651226011 is a deficient number, since it is larger than the sum of its proper divisors (520286249989).

77522651226011 is a wasteful number, since it uses less digits than its factorization.

77522651226011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520286249988.

The product of its (nonzero) digits is 705600, while the sum is 47.

Adding to 77522651226011 its reverse (11062215622577), we get a palindrome (88584866848588).

The spelling of 77522651226011 in words is "seventy-seven trillion, five hundred twenty-two billion, six hundred fifty-one million, two hundred twenty-six thousand, eleven".