1975071151 has 2 divisors, whose sum is σ = 1975071152. Its totient is φ = 1975071150.

The previous prime is 1975071127. The next prime is 1975071191. The reversal of 1975071151 is 1511705791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1975071151 - 2¹⁵ = 1975038383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1975071151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1975071191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987535575 + 987535576.

It is an arithmetic number, because the mean of its divisors is an integer number (987535576).

Almost surely, 2^1975071151 is an apocalyptic number.

1975071151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975071151 is an equidigital number, since it uses as much as digits as its factorization.

1975071151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 37.

The square root of 1975071151 is about 44441.7725906607. The cubic root of 1975071151 is about 1254.6644184574.

The spelling of 1975071151 in words is "one billion, nine hundred seventy-five million, seventy-one thousand, one hundred fifty-one".