1150553025197 has 2 divisors, whose sum is σ = 1150553025198. Its totient is φ = 1150553025196.

The previous prime is 1150553025157. The next prime is 1150553025217. The reversal of 1150553025197 is 7915203550511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765465758281 + 385087266916 = 874909^2 + 620554^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150553025197 - 2²⁴ = 1150536247981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150553025157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575276512598 + 575276512599.

It is an arithmetic number, because the mean of its divisors is an integer number (575276512599).

Almost surely, 2^{1150553025197} is an apocalyptic number.

It is an amenable number.

1150553025197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150553025197 is an equidigital number, since it uses as much as digits as its factorization.

1150553025197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236250, while the sum is 44.

The spelling of 1150553025197 in words is "one trillion, one hundred fifty billion, five hundred fifty-three million, twenty-five thousand, one hundred ninety-seven".