51153553155 has 16 divisors (see below), whose sum is σ = 81866823840. Its totient is φ = 27274848768.

The previous prime is 51153553151. The next prime is 51153553201. The reversal of 51153553155 is 55135535115.

It is not a de Polignac number, because 51153553155 - 2² = 51153553151 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (51153553151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380112 + ... + 496781.

It is an arithmetic number, because the mean of its divisors is an integer number (5116676490).

Almost surely, 2^51153553155 is an apocalyptic number.

51153553155 is a deficient number, since it is larger than the sum of its proper divisors (30713270685).

51153553155 is a wasteful number, since it uses less digits than its factorization.

51153553155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880790.

The product of its digits is 140625, while the sum is 39.

The spelling of 51153553155 in words is "fifty-one billion, one hundred fifty-three million, five hundred fifty-three thousand, one hundred fifty-five".