1011550351411 has 32 divisors (see below), whose sum is σ = 1062623536128. Its totient is φ = 962032256640.

The previous prime is 1011550351397. The next prime is 1011550351459. The reversal of 1011550351411 is 1141530551101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011550351411 is a prime.

It is a super-2 number, since 2×1011550351411² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011550351411.

It is not an unprimeable number, because it can be changed into a prime (1011550351481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288107146 + ... + 288110656.

It is an arithmetic number, because the mean of its divisors is an integer number (33206985504).

Almost surely, 2^{1011550351411} is an apocalyptic number.

1011550351411 is a deficient number, since it is larger than the sum of its proper divisors (51073184717).

1011550351411 is a wasteful number, since it uses less digits than its factorization.

1011550351411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 1500, while the sum is 28.

The spelling of 1011550351411 in words is "one trillion, eleven billion, five hundred fifty million, three hundred fifty-one thousand, four hundred eleven".