51102255545 has 8 divisors (see below), whose sum is σ = 66897498240. Its totient is φ = 37165276720.

The previous prime is 51102255499. The next prime is 51102255563. The reversal of 51102255545 is 54555220115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51102255545 - 2¹⁰ = 51102254521 is a prime.

It is a super-2 number, since 2×51102255545² (a number of 22 digits) contains 22 as substring.

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, 464565905 + ... + 464566014.

It is an arithmetic number, because the mean of its divisors is an integer number (8362187280).

Almost surely, 2^51102255545 is an apocalyptic number.

51102255545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51102255545 is a deficient number, since it is larger than the sum of its proper divisors (15795242695).

51102255545 is a wasteful number, since it uses less digits than its factorization.

51102255545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929131935.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 51102255545 in words is "fifty-one billion, one hundred two million, two hundred fifty-five thousand, five hundred forty-five".