1187934148153 has 2 divisors, whose sum is σ = 1187934148154. Its totient is φ = 1187934148152.

The previous prime is 1187934148129. The next prime is 1187934148171. The reversal of 1187934148153 is 3518414397811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081689441849 + 106244706304 = 1040043^2 + 325952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1187934148153 - 2³⁷ = 1050495194681 is a prime.

It is a super-2 number, since 2×1187934148153² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1187934148094 and 1187934148103.

It is not a weakly prime, because it can be changed into another prime (1187934148553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593967074076 + 593967074077.

It is an arithmetic number, because the mean of its divisors is an integer number (593967074077).

Almost surely, 2^{1187934148153} is an apocalyptic number.

It is an amenable number.

1187934148153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187934148153 is an equidigital number, since it uses as much as digits as its factorization.

1187934148153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 55.

The spelling of 1187934148153 in words is "one trillion, one hundred eighty-seven billion, nine hundred thirty-four million, one hundred forty-eight thousand, one hundred fifty-three".