1174038198521 has 2 divisors, whose sum is σ = 1174038198522. Its totient is φ = 1174038198520.

The previous prime is 1174038198469. The next prime is 1174038198559. The reversal of 1174038198521 is 1258918304711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1169936436496 + 4101762025 = 1081636^2 + 64045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1174038198521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1174038198521.

It is not a weakly prime, because it can be changed into another prime (1174038198581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587019099260 + 587019099261.

It is an arithmetic number, because the mean of its divisors is an integer number (587019099261).

Almost surely, 2^{1174038198521} is an apocalyptic number.

It is an amenable number.

1174038198521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1174038198521 is an equidigital number, since it uses as much as digits as its factorization.

1174038198521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 1174038198521 in words is "one trillion, one hundred seventy-four billion, thirty-eight million, one hundred ninety-eight thousand, five hundred twenty-one".