155340075407 has 16 divisors (see below), whose sum is σ = 176870524320. Its totient is φ = 135174374400.

The previous prime is 155340075391. The next prime is 155340075431. The reversal of 155340075407 is 704570043551.

It is a cyclic number.

It is not a de Polignac number, because 155340075407 - 2⁴ = 155340075391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155340075497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225482 + ... + 3273287.

It is an arithmetic number, because the mean of its divisors is an integer number (11054407770).

Almost surely, 2^155340075407 is an apocalyptic number.

155340075407 is a deficient number, since it is larger than the sum of its proper divisors (21530448913).

155340075407 is a wasteful number, since it uses less digits than its factorization.

155340075407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498874.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 155340075407 in words is "one hundred fifty-five billion, three hundred forty million, seventy-five thousand, four hundred seven".