155878080603 has 16 divisors (see below), whose sum is σ = 251500769280. Its totient is φ = 83833589376.

The previous prime is 155878080571. The next prime is 155878080607. The reversal of 155878080603 is 306080878551.

It is not a de Polignac number, because 155878080603 - 2⁵ = 155878080571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (155878080607) 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, 218316283 + ... + 218316996.

It is an arithmetic number, because the mean of its divisors is an integer number (15718798080).

Almost surely, 2^155878080603 is an apocalyptic number.

155878080603 is a deficient number, since it is larger than the sum of its proper divisors (95622688677).

155878080603 is a wasteful number, since it uses less digits than its factorization.

155878080603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436633306.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 155878080603 in words is "one hundred fifty-five billion, eight hundred seventy-eight million, eighty thousand, six hundred three".