1025091108047 has 16 divisors (see below), whose sum is σ = 1068202212000. Its totient is φ = 982499341824.

The previous prime is 1025091108037. The next prime is 1025091108079. The reversal of 1025091108047 is 7408011905201.

It is a cyclic number.

It is not a de Polignac number, because 1025091108047 - 2²⁶ = 1025023999183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1025091108047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025091108017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61621643 + ... + 61638275.

It is an arithmetic number, because the mean of its divisors is an integer number (66762638250).

Almost surely, 2^{1025091108047} is an apocalyptic number.

1025091108047 is a deficient number, since it is larger than the sum of its proper divisors (43111103953).

1025091108047 is a wasteful number, since it uses less digits than its factorization.

1025091108047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32090.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 1025091108047 in words is "one trillion, twenty-five billion, ninety-one million, one hundred eight thousand, forty-seven".