1111263552001 has 2 divisors, whose sum is σ = 1111263552002. Its totient is φ = 1111263552000.

The previous prime is 1111263551999. The next prime is 1111263552059. The reversal of 1111263552001 is 1002553621111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111253305600 + 10246401 = 1054160^2 + 3201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111263552001 - 2¹ = 1111263551999 is a prime.

It is a super-2 number, since 2×1111263552001² (a number of 25 digits) contains 22 as substring.

Together with 1111263551999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1111263552071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555631776000 + 555631776001.

It is an arithmetic number, because the mean of its divisors is an integer number (555631776001).

Almost surely, 2^{1111263552001} is an apocalyptic number.

It is an amenable number.

1111263552001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111263552001 is an equidigital number, since it uses as much as digits as its factorization.

1111263552001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 1111263552001 in words is "one trillion, one hundred eleven billion, two hundred sixty-three million, five hundred fifty-two thousand, one".