157157258461 has 32 divisors (see below), whose sum is σ = 192191616000. Its totient is φ = 128278926720.

The previous prime is 157157258443. The next prime is 157157258471. The reversal of 157157258461 is 164852751751.

It is not a de Polignac number, because 157157258461 - 2¹¹ = 157157256413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157157258399 and 157157258408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157157258431) 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, 617916 + ... + 834346.

It is an arithmetic number, because the mean of its divisors is an integer number (6005988000).

Almost surely, 2^157157258461 is an apocalyptic number.

It is an amenable number.

157157258461 is a deficient number, since it is larger than the sum of its proper divisors (35034357539).

157157258461 is an equidigital number, since it uses as much as digits as its factorization.

157157258461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216554 (or 216540 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 52.

The spelling of 157157258461 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, two hundred fifty-eight thousand, four hundred sixty-one".