157826248209941 has 4 divisors (see below), whose sum is σ = 157840241150400. Its totient is φ = 157812255269484.

The previous prime is 157826248209937. The next prime is 157826248210003. The reversal of 157826248209941 is 149902842628751.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 157826248209941 - 2² = 157826248209937 is a prime.

It is a super-2 number, since 2×157826248209941² (a number of 29 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 (157826248209911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996453311 + ... + 6996475868.

It is an arithmetic number, because the mean of its divisors is an integer number (39460060287600).

Almost surely, 2^{157826248209941} is an apocalyptic number.

It is an amenable number.

157826248209941 is a deficient number, since it is larger than the sum of its proper divisors (13992940459).

157826248209941 is a wasteful number, since it uses less digits than its factorization.

157826248209941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992940458.

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 157826248209941 in words is "one hundred fifty-seven trillion, eight hundred twenty-six billion, two hundred forty-eight million, two hundred nine thousand, nine hundred forty-one".