42991777181514 has 48 divisors (see below), whose sum is σ = 101514546714528. Its totient is φ = 12100031098848.

The previous prime is 42991777181417. The next prime is 42991777181569. The reversal of 42991777181514 is 41518177719924.

It is a super-3 number, since 3×42991777181514³ (a number of 42 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1091252949 + ... + 1091292344.

It is an arithmetic number, because the mean of its divisors is an integer number (2114886389886).

Almost surely, 2^{42991777181514} is an apocalyptic number.

42991777181514 is an abundant number, since it is smaller than the sum of its proper divisors (58522769533014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42991777181514 is a wasteful number, since it uses less digits than its factorization.

42991777181514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182545379 (or 2182545372 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 66.

The spelling of 42991777181514 in words is "forty-two trillion, nine hundred ninety-one billion, seven hundred seventy-seven million, one hundred eighty-one thousand, five hundred fourteen".