157272024461 has 4 divisors (see below), whose sum is σ = 164109938592. Its totient is φ = 150434110332.

The previous prime is 157272024443. The next prime is 157272024473. The reversal of 157272024461 is 164420272751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 164420272751 = 7 ⋅23488610393.

It is a cyclic number.

It is not a de Polignac number, because 157272024461 - 2²⁶ = 157204915597 is a prime.

It is a super-2 number, since 2×157272024461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157272024431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418957031 + ... + 3418957076.

It is an arithmetic number, because the mean of its divisors is an integer number (41027484648).

Almost surely, 2^157272024461 is an apocalyptic number.

It is an amenable number.

157272024461 is a deficient number, since it is larger than the sum of its proper divisors (6837914131).

157272024461 is an equidigital number, since it uses as much as digits as its factorization.

157272024461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837914130.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 157272024461 in words is "one hundred fifty-seven billion, two hundred seventy-two million, twenty-four thousand, four hundred sixty-one".