10157121355 has 8 divisors (see below), whose sum is σ = 12447876672. Its totient is φ = 7952809728.

The previous prime is 10157121353. The next prime is 10157121391. The reversal of 10157121355 is 55312175101.

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 10157121355 - 2¹ = 10157121353 is a prime.

It is a super-2 number, since 2×10157121355² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10157121353) 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, 21610662 + ... + 21611131.

It is an arithmetic number, because the mean of its divisors is an integer number (1555984584).

Almost surely, 2^10157121355 is an apocalyptic number.

10157121355 is a deficient number, since it is larger than the sum of its proper divisors (2290755317).

10157121355 is an equidigital number, since it uses as much as digits as its factorization.

10157121355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43221845.

The product of its (nonzero) digits is 5250, while the sum is 31.

Adding to 10157121355 its reverse (55312175101), we get a palindrome (65469296456).

The spelling of 10157121355 in words is "ten billion, one hundred fifty-seven million, one hundred twenty-one thousand, three hundred fifty-five".