951901905255 has 24 divisors (see below), whose sum is σ = 1771703139312. Its totient is φ = 435155156352.

The previous prime is 951901905209. The next prime is 951901905307. The reversal of 951901905255 is 552509109159.

It is not a de Polignac number, because 951901905255 - 2¹⁶ = 951901839719 is a prime.

It is a super-2 number, since 2×951901905255² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 951901905198 and 951901905207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647551582 + ... + 647553051.

It is an arithmetic number, because the mean of its divisors is an integer number (73820964138).

Almost surely, 2^951901905255 is an apocalyptic number.

951901905255 is a deficient number, since it is larger than the sum of its proper divisors (819801234057).

951901905255 is a wasteful number, since it uses less digits than its factorization.

951901905255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295104655 (or 1295104648 counting only the distinct ones).

The product of its (nonzero) digits is 911250, while the sum is 51.

The spelling of 951901905255 in words is "nine hundred fifty-one billion, nine hundred one million, nine hundred five thousand, two hundred fifty-five".