1011555006057 has 24 divisors (see below), whose sum is σ = 1508593102848. Its totient is φ = 652475635200.

The previous prime is 1011555006041. The next prime is 1011555006109. The reversal of 1011555006057 is 7506005551101.

It is a happy number.

1011555006057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011555006057 - 2⁴ = 1011555006041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011555006457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915832 + ... + 1691702.

It is an arithmetic number, because the mean of its divisors is an integer number (62858045952).

Almost surely, 2^{1011555006057} is an apocalyptic number.

It is an amenable number.

1011555006057 is a deficient number, since it is larger than the sum of its proper divisors (497038096791).

1011555006057 is a wasteful number, since it uses less digits than its factorization.

1011555006057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780581 (or 780578 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The spelling of 1011555006057 in words is "one trillion, eleven billion, five hundred fifty-five million, six thousand, fifty-seven".