32151010012555 has 16 divisors (see below), whose sum is σ = 44093176115904. Its totient is φ = 22046225673600.

The previous prime is 32151010012549. The next prime is 32151010012559. The reversal of 32151010012555 is 55521001015123.

It is not a de Polignac number, because 32151010012555 - 2¹⁷ = 32151009881483 is a prime.

It is a super-2 number, since 2×32151010012555² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32151010012559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616549 + ... + 8042521.

It is an arithmetic number, because the mean of its divisors is an integer number (2755823507244).

Almost surely, 2^{32151010012555} is an apocalyptic number.

32151010012555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

32151010012555 is a deficient number, since it is larger than the sum of its proper divisors (11942166103349).

32151010012555 is a wasteful number, since it uses less digits than its factorization.

32151010012555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549686.

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

Adding to 32151010012555 its reverse (55521001015123), we get a palindrome (87672011027678).

The spelling of 32151010012555 in words is "thirty-two trillion, one hundred fifty-one billion, ten million, twelve thousand, five hundred fifty-five".