1173875445451 has 2 divisors, whose sum is σ = 1173875445452. Its totient is φ = 1173875445450.

The previous prime is 1173875445403. The next prime is 1173875445461. The reversal of 1173875445451 is 1545445783711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173875445451 - 2¹⁷ = 1173875314379 is a prime.

It is a super-2 number, since 2×1173875445451² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1173875445392 and 1173875445401.

It is not a weakly prime, because it can be changed into another prime (1173875445461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586937722725 + 586937722726.

It is an arithmetic number, because the mean of its divisors is an integer number (586937722726).

Almost surely, 2^{1173875445451} is an apocalyptic number.

1173875445451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173875445451 is an equidigital number, since it uses as much as digits as its factorization.

1173875445451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408000, while the sum is 55.

The spelling of 1173875445451 in words is "one trillion, one hundred seventy-three billion, eight hundred seventy-five million, four hundred forty-five thousand, four hundred fifty-one".