1025426455016 has 8 divisors (see below), whose sum is σ = 1922674603170. Its totient is φ = 512713227504.

The previous prime is 1025426454979. The next prime is 1025426455073. The reversal of 1025426455016 is 6105546245201.

It can be written as a sum of positive squares in only one way, i.e., 732479222500 + 292947232516 = 855850^2 + 541246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64089153431 + ... + 64089153446.

Almost surely, 2^{1025426455016} is an apocalyptic number.

It is an amenable number.

1025426455016 is a deficient number, since it is larger than the sum of its proper divisors (897248148154).

1025426455016 is a wasteful number, since it uses less digits than its factorization.

1025426455016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128178306883 (or 128178306879 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1025426455016 in words is "one trillion, twenty-five billion, four hundred twenty-six million, four hundred fifty-five thousand, sixteen".