157855477741 has 32 divisors (see below), whose sum is σ = 180402163200. Its totient is φ = 136921855680.

The previous prime is 157855477739. The next prime is 157855477751. The reversal of 157855477741 is 147774558751.

It is a cyclic number.

It is not a de Polignac number, because 157855477741 - 2¹ = 157855477739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157855477741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157855477711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65471826 + ... + 65474236.

It is an arithmetic number, because the mean of its divisors is an integer number (5637567600).

Almost surely, 2^157855477741 is an apocalyptic number.

It is an amenable number.

157855477741 is a deficient number, since it is larger than the sum of its proper divisors (22546685459).

157855477741 is a wasteful number, since it uses less digits than its factorization.

157855477741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489.

The product of its digits is 38416000, while the sum is 61.

The spelling of 157855477741 in words is "one hundred fifty-seven billion, eight hundred fifty-five million, four hundred seventy-seven thousand, seven hundred forty-one".