1011150551 has 8 divisors (see below), whose sum is σ = 1016412480. Its totient is φ = 1005900768.

The previous prime is 1011150509. The next prime is 1011150559. The reversal of 1011150551 is 1550511101.

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 1011150551 - 2¹⁰ = 1011149527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011150559) 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, 196625 + ... + 201701.

It is an arithmetic number, because the mean of its divisors is an integer number (127051560).

Almost surely, 2^1011150551 is an apocalyptic number.

1011150551 is a deficient number, since it is larger than the sum of its proper divisors (5261929).

1011150551 is an equidigital number, since it uses as much as digits as its factorization.

1011150551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 1011150551 is about 31798.5935380796. The cubic root of 1011150551 is about 1003.7031203062.

Adding to 1011150551 its reverse (1550511101), we get a palindrome (2561661652).

The spelling of 1011150551 in words is "one billion, eleven million, one hundred fifty thousand, five hundred fifty-one".