149885057518 has 32 divisors (see below), whose sum is σ = 260654284800. Its totient is φ = 63310610880.

The previous prime is 149885057471. The next prime is 149885057527. The reversal of 149885057518 is 815750588941.

It is a congruent 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, 1377363 + ... + 1482193.

It is an arithmetic number, because the mean of its divisors is an integer number (8145446400).

Almost surely, 2^149885057518 is an apocalyptic number.

149885057518 is a deficient number, since it is larger than the sum of its proper divisors (110769227282).

149885057518 is a wasteful number, since it uses less digits than its factorization.

149885057518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106312.

The product of its (nonzero) digits is 16128000, while the sum is 61.

The spelling of 149885057518 in words is "one hundred forty-nine billion, eight hundred eighty-five million, fifty-seven thousand, five hundred eighteen".