32125155551 has 4 divisors (see below), whose sum is σ = 32131225632. Its totient is φ = 32119085472.

The previous prime is 32125155541. The next prime is 32125155577. The reversal of 32125155551 is 15555152123.

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 32125155551 - 2⁶ = 32125155487 is a prime.

It is a super-2 number, since 2×32125155551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32125155541) 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, 3027095 + ... + 3037688.

It is an arithmetic number, because the mean of its divisors is an integer number (8032806408).

Almost surely, 2^32125155551 is an apocalyptic number.

32125155551 is a deficient number, since it is larger than the sum of its proper divisors (6070081).

32125155551 is an equidigital number, since it uses as much as digits as its factorization.

32125155551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070080.

The product of its digits is 37500, while the sum is 35.

The spelling of 32125155551 in words is "thirty-two billion, one hundred twenty-five million, one hundred fifty-five thousand, five hundred fifty-one".