1220886077525 has 24 divisors (see below), whose sum is σ = 1603120102080. Its totient is φ = 919762335360.

The previous prime is 1220886077503. The next prime is 1220886077531. The reversal of 1220886077525 is 5257706880221.

It is not a de Polignac number, because 1220886077525 - 2⁶ = 1220886077461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7616144 + ... + 7774793.

It is an arithmetic number, because the mean of its divisors is an integer number (66796670920).

Almost surely, 2^{1220886077525} is an apocalyptic number.

It is an amenable number.

1220886077525 is a deficient number, since it is larger than the sum of its proper divisors (382234024555).

1220886077525 is a wasteful number, since it uses less digits than its factorization.

1220886077525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15391133 (or 15391128 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 1220886077525 in words is "one trillion, two hundred twenty billion, eight hundred eighty-six million, seventy-seven thousand, five hundred twenty-five".