25557753052551 has 8 divisors (see below), whose sum is σ = 34084608864624. Its totient is φ = 17034699637760.

The previous prime is 25557753052549. The next prime is 25557753052553. The reversal of 25557753052551 is 15525035775552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25557753052549) and next prime (25557753052553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25557753052551 - 2¹ = 25557753052549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25557753052491 and 25557753052500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25557753052553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950583636 + ... + 950610521.

It is an arithmetic number, because the mean of its divisors is an integer number (4260576108078).

Almost surely, 2^{25557753052551} is an apocalyptic number.

25557753052551 is a deficient number, since it is larger than the sum of its proper divisors (8526855812073).

25557753052551 is a wasteful number, since it uses less digits than its factorization.

25557753052551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901198641.

The product of its (nonzero) digits is 45937500, while the sum is 57.

The spelling of 25557753052551 in words is "twenty-five trillion, five hundred fifty-seven billion, seven hundred fifty-three million, fifty-two thousand, five hundred fifty-one".