18970561153075 has 24 divisors (see below), whose sum is σ = 26902835108352. Its totient is φ = 12999268722720.

The previous prime is 18970561153043. The next prime is 18970561153151. The reversal of 18970561153075 is 57035116507981.

It is not a de Polignac number, because 18970561153075 - 2⁵ = 18970561153043 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 37733179 + ... + 38232628.

It is an arithmetic number, because the mean of its divisors is an integer number (1120951462848).

Almost surely, 2^{18970561153075} is an apocalyptic number.

18970561153075 is a deficient number, since it is larger than the sum of its proper divisors (7932273955277).

18970561153075 is a wasteful number, since it uses less digits than its factorization.

18970561153075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75967251 (or 75967246 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 58.

The spelling of 18970561153075 in words is "eighteen trillion, nine hundred seventy billion, five hundred sixty-one million, one hundred fifty-three thousand, seventy-five".