71910000155 has 16 divisors (see below), whose sum is σ = 100912905984. Its totient is φ = 48162975840.

The previous prime is 71910000143. The next prime is 71910000161. The reversal of 71910000155 is 55100001917.

It is not a de Polignac number, because 71910000155 - 2⁸ = 71909999899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23888861 + ... + 23891870.

It is an arithmetic number, because the mean of its divisors is an integer number (6307056624).

Almost surely, 2^71910000155 is an apocalyptic number.

71910000155 is a deficient number, since it is larger than the sum of its proper divisors (29002905829).

71910000155 is a wasteful number, since it uses less digits than its factorization.

71910000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47780786.

The product of its (nonzero) digits is 1575, while the sum is 29.

The spelling of 71910000155 in words is "seventy-one billion, nine hundred ten million, one hundred fifty-five", and thus it is an aban number.