1320510766377 has 32 divisors (see below), whose sum is σ = 1988124497280. Its totient is φ = 772265822720.

The previous prime is 1320510766373. The next prime is 1320510766411. The reversal of 1320510766377 is 7736670150231.

It is a cyclic number.

It is not a de Polignac number, because 1320510766377 - 2² = 1320510766373 is a prime.

It is a super-2 number, since 2×1320510766377² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320510766373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260373 + ... + 2056589.

It is an arithmetic number, because the mean of its divisors is an integer number (62128890540).

Almost surely, 2^{1320510766377} is an apocalyptic number.

It is an amenable number.

1320510766377 is a deficient number, since it is larger than the sum of its proper divisors (667613730903).

1320510766377 is a wasteful number, since it uses less digits than its factorization.

1320510766377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797993.

The product of its (nonzero) digits is 1111320, while the sum is 48.

The spelling of 1320510766377 in words is "one trillion, three hundred twenty billion, five hundred ten million, seven hundred sixty-six thousand, three hundred seventy-seven".