1025155423434 has 16 divisors (see below), whose sum is σ = 2170917367488. Its totient is φ = 321617387712.

The previous prime is 1025155423433. The next prime is 1025155423441. The reversal of 1025155423434 is 4343245515201.

It is a super-2 number, since 2×1025155423434² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025155423392 and 1025155423401.

It is not an unprimeable number, because it can be changed into a prime (1025155423433) 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 in 7 ways as a sum of consecutive naturals, for example, 5025271582 + ... + 5025271785.

It is an arithmetic number, because the mean of its divisors is an integer number (135682335468).

Almost surely, 2^{1025155423434} is an apocalyptic number.

1025155423434 is an abundant number, since it is smaller than the sum of its proper divisors (1145761944054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025155423434 is a wasteful number, since it uses less digits than its factorization.

1025155423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050543389.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 1025155423434 in words is "one trillion, twenty-five billion, one hundred fifty-five million, four hundred twenty-three thousand, four hundred thirty-four".