255477361516 has 36 divisors (see below), whose sum is σ = 491347830792. Its totient is φ = 116152717824.

The previous prime is 255477361501. The next prime is 255477361523. The reversal of 255477361516 is 615163774552.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2775045 + ... + 2865628.

Almost surely, 2^255477361516 is an apocalyptic number.

255477361516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255477361516 is a deficient number, since it is larger than the sum of its proper divisors (235870469276).

255477361516 is a wasteful number, since it uses less digits than its factorization.

255477361516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640770 (or 5640755 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 52.

The spelling of 255477361516 in words is "two hundred fifty-five billion, four hundred seventy-seven million, three hundred sixty-one thousand, five hundred sixteen".