51102306442155 has 16 divisors (see below), whose sum is σ = 81769232835360. Its totient is φ = 27252715926528.

The previous prime is 51102306442069. The next prime is 51102306442163. The reversal of 51102306442155 is 55124460320115.

It is not a de Polignac number, because 51102306442155 - 2¹² = 51102306438059 is a prime.

It is a super-2 number, since 2×51102306442155² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115240660 + ... + 115683249.

It is an arithmetic number, because the mean of its divisors is an integer number (5110577052210).

Almost surely, 2^{51102306442155} is an apocalyptic number.

51102306442155 is a deficient number, since it is larger than the sum of its proper divisors (30666926393205).

51102306442155 is a wasteful number, since it uses less digits than its factorization.

51102306442155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230938670.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 51102306442155 in words is "fifty-one trillion, one hundred two billion, three hundred six million, four hundred forty-two thousand, one hundred fifty-five".