157155015601 has 8 divisors (see below), whose sum is σ = 166539378600. Its totient is φ = 148035000960.

The previous prime is 157155015583. The next prime is 157155015607. The reversal of 157155015601 is 106510551751.

It can be written as a sum of positive squares in 4 ways, for example, as 22848400 + 157132167201 = 4780^2 + 396399^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157155015601 - 2¹¹ = 157155013553 is a prime.

It is a super-3 number, since 3×157155015601³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157155015607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66085866 + ... + 66088243.

It is an arithmetic number, because the mean of its divisors is an integer number (20817422325).

Almost surely, 2^157155015601 is an apocalyptic number.

It is an amenable number.

157155015601 is a deficient number, since it is larger than the sum of its proper divisors (9384362999).

157155015601 is a wasteful number, since it uses less digits than its factorization.

157155015601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132174179.

The product of its (nonzero) digits is 26250, while the sum is 37.

The spelling of 157155015601 in words is "one hundred fifty-seven billion, one hundred fifty-five million, fifteen thousand, six hundred one".