155425590105 has 32 divisors (see below), whose sum is σ = 253782460800. Its totient is φ = 81210235392.

The previous prime is 155425590083. The next prime is 155425590121. The reversal of 155425590105 is 501095524551.

It is not a de Polignac number, because 155425590105 - 2⁸ = 155425589849 is a prime.

It is a super-2 number, since 2×155425590105² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388539 + ... + 679568.

It is an arithmetic number, because the mean of its divisors is an integer number (7930701900).

Almost surely, 2^155425590105 is an apocalyptic number.

155425590105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155425590105 is a deficient number, since it is larger than the sum of its proper divisors (98356870695).

155425590105 is a wasteful number, since it uses less digits than its factorization.

155425590105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068313.

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 155425590105 in words is "one hundred fifty-five billion, four hundred twenty-five million, five hundred ninety thousand, one hundred five".