155913311494 has 8 divisors (see below), whose sum is σ = 241934448960. Its totient is φ = 75268495176.

The previous prime is 155913311479. The next prime is 155913311527. The reversal of 155913311494 is 494113319551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344080214 + ... + 1344080329.

It is an arithmetic number, because the mean of its divisors is an integer number (30241806120).

Almost surely, 2^155913311494 is an apocalyptic number.

155913311494 is a deficient number, since it is larger than the sum of its proper divisors (86021137466).

155913311494 is a wasteful number, since it uses less digits than its factorization.

155913311494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688160574.

The product of its digits is 291600, while the sum is 46.

The spelling of 155913311494 in words is "one hundred fifty-five billion, nine hundred thirteen million, three hundred eleven thousand, four hundred ninety-four".