32551211551 has 2 divisors, whose sum is σ = 32551211552. Its totient is φ = 32551211550.

The previous prime is 32551211519. The next prime is 32551211557. The reversal of 32551211551 is 15511215523.

It is a strong prime.

It is an emirp because it is prime and its reverse (15511215523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32551211551 - 2⁵ = 32551211519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32551211557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16275605775 + 16275605776.

It is an arithmetic number, because the mean of its divisors is an integer number (16275605776).

Almost surely, 2^32551211551 is an apocalyptic number.

32551211551 is a deficient number, since it is larger than the sum of its proper divisors (1).

32551211551 is an equidigital number, since it uses as much as digits as its factorization.

32551211551 is an evil number, because the sum of its binary digits is even.

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

The spelling of 32551211551 in words is "thirty-two billion, five hundred fifty-one million, two hundred eleven thousand, five hundred fifty-one".