53135811780 has 24 divisors (see below), whose sum is σ = 148780273152. Its totient is φ = 14169549792.

The previous prime is 53135811767. The next prime is 53135811793. The reversal of 53135811780 is 8711853135.

It is an interprime number because it is at equal distance from previous prime (53135811767) and next prime (53135811793).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442798372 + ... + 442798491.

It is an arithmetic number, because the mean of its divisors is an integer number (6199178048).

Almost surely, 2^53135811780 is an apocalyptic number.

It is an amenable number.

53135811780 is an abundant number, since it is smaller than the sum of its proper divisors (95644461372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53135811780 is a wasteful number, since it uses less digits than its factorization.

53135811780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885596875 (or 885596873 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 53135811780 in words is "fifty-three billion, one hundred thirty-five million, eight hundred eleven thousand, seven hundred eighty".