1011125151 has 6 divisors (see below), whose sum is σ = 1460514120. Its totient is φ = 674083428.

The previous prime is 1011125131. The next prime is 1011125153. The reversal of 1011125151 is 1515211101.

It is not a de Polignac number, because 1011125151 - 2¹¹ = 1011123103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011125153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56173611 + ... + 56173628.

It is an arithmetic number, because the mean of its divisors is an integer number (243419020).

Almost surely, 2^1011125151 is an apocalyptic number.

1011125151 is a deficient number, since it is larger than the sum of its proper divisors (449388969).

1011125151 is a wasteful number, since it uses less digits than its factorization.

1011125151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112347245 (or 112347242 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 1011125151 is about 31798.1941468380. The cubic root of 1011125151 is about 1003.6947159288.

Adding to 1011125151 its reverse (1515211101), we get a palindrome (2526336252).

The spelling of 1011125151 in words is "one billion, eleven million, one hundred twenty-five thousand, one hundred fifty-one".