155195726025 has 12 divisors (see below), whose sum is σ = 256590267152. Its totient is φ = 82771053840.

The previous prime is 155195726017. The next prime is 155195726027. The reversal of 155195726025 is 520627591551.

It is not a de Polignac number, because 155195726025 - 2³ = 155195726017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155195726027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034638099 + ... + 1034638248.

Almost surely, 2^155195726025 is an apocalyptic number.

155195726025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155195726025 is a deficient number, since it is larger than the sum of its proper divisors (101394541127).

155195726025 is a wasteful number, since it uses less digits than its factorization.

155195726025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069276360 (or 2069276355 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 48.

The spelling of 155195726025 in words is "one hundred fifty-five billion, one hundred ninety-five million, seven hundred twenty-six thousand, twenty-five".