25213133554 has 64 divisors (see below), whose sum is σ = 47267136000. Its totient is φ = 10056239424.

The previous prime is 25213133471. The next prime is 25213133581. The reversal of 25213133554 is 45533131252.

It is a super-2 number, since 2×25213133554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562192 + ... + 605380.

It is an arithmetic number, because the mean of its divisors is an integer number (738549000).

Almost surely, 2^25213133554 is an apocalyptic number.

25213133554 is a deficient number, since it is larger than the sum of its proper divisors (22054002446).

25213133554 is a wasteful number, since it uses less digits than its factorization.

25213133554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43272 (or 43258 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The spelling of 25213133554 in words is "twenty-five billion, two hundred thirteen million, one hundred thirty-three thousand, five hundred fifty-four".