1055105101015 has 16 divisors (see below), whose sum is σ = 1447056483840. Its totient is φ = 723473039520.

The previous prime is 1055105100977. The next prime is 1055105101019. The reversal of 1055105101015 is 5101015015501.

It is not a de Polignac number, because 1055105101015 - 2⁹ = 1055105100503 is a prime.

It is a super-2 number, since 2×1055105101015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055105101019) 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, 377760 + ... + 1500970.

It is an arithmetic number, because the mean of its divisors is an integer number (90441030240).

Almost surely, 2^{1055105101015} is an apocalyptic number.

1055105101015 is a deficient number, since it is larger than the sum of its proper divisors (391951382825).

1055105101015 is a wasteful number, since it uses less digits than its factorization.

1055105101015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150062.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 1055105101015 in words is "one trillion, fifty-five billion, one hundred five million, one hundred one thousand, fifteen".