125160005551 has 4 divisors (see below), whose sum is σ = 143040006352. Its totient is φ = 107280004752.

The previous prime is 125160005549. The next prime is 125160005563. The reversal of 125160005551 is 155500061521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125160005551 - 2¹ = 125160005549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125160005351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8940000390 + ... + 8940000403.

It is an arithmetic number, because the mean of its divisors is an integer number (35760001588).

Almost surely, 2^125160005551 is an apocalyptic number.

125160005551 is a deficient number, since it is larger than the sum of its proper divisors (17880000801).

125160005551 is an equidigital number, since it uses as much as digits as its factorization.

125160005551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17880000800.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 125160005551 in words is "one hundred twenty-five billion, one hundred sixty million, five thousand, five hundred fifty-one".