904885104551 has 2 divisors, whose sum is σ = 904885104552. Its totient is φ = 904885104550.

The previous prime is 904885104493. The next prime is 904885104569. The reversal of 904885104551 is 155401588409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-904885104551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 904885104551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904885104451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452442552275 + 452442552276.

It is an arithmetic number, because the mean of its divisors is an integer number (452442552276).

Almost surely, 2^904885104551 is an apocalyptic number.

904885104551 is a deficient number, since it is larger than the sum of its proper divisors (1).

904885104551 is an equidigital number, since it uses as much as digits as its factorization.

904885104551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The spelling of 904885104551 in words is "nine hundred four billion, eight hundred eighty-five million, one hundred four thousand, five hundred fifty-one".