1023555054111 has 16 divisors (see below), whose sum is σ = 1447422120960. Its totient is φ = 642001741920.

The previous prime is 1023555054091. The next prime is 1023555054131. The reversal of 1023555054111 is 1114505553201.

It is a happy number.

1023555054111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1023555054091) and next prime (1023555054131).

It is not a de Polignac number, because 1023555054111 - 2⁶ = 1023555054047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023555054131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121587031 + ... + 121595448.

It is an arithmetic number, because the mean of its divisors is an integer number (90463882560).

Almost surely, 2^{1023555054111} is an apocalyptic number.

1023555054111 is a deficient number, since it is larger than the sum of its proper divisors (423867066849).

1023555054111 is a wasteful number, since it uses less digits than its factorization.

1023555054111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243182566.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 1023555054111 in words is "one trillion, twenty-three billion, five hundred fifty-five million, fifty-four thousand, one hundred eleven".