1071449190077 has 16 divisors (see below), whose sum is σ = 1225996759680. Its totient is φ = 917273149632.

The previous prime is 1071449190061. The next prime is 1071449190089. The reversal of 1071449190077 is 7700919441701.

It is not a de Polignac number, because 1071449190077 - 2⁴ = 1071449190061 is a prime.

It is a super-2 number, since 2×1071449190077² (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 (1071449150077) 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, 20123663 + ... + 20176835.

It is an arithmetic number, because the mean of its divisors is an integer number (76624797480).

Almost surely, 2^{1071449190077} is an apocalyptic number.

It is an amenable number.

1071449190077 is a deficient number, since it is larger than the sum of its proper divisors (154547569603).

1071449190077 is a wasteful number, since it uses less digits than its factorization.

1071449190077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56612.

The product of its (nonzero) digits is 444528, while the sum is 50.

The spelling of 1071449190077 in words is "one trillion, seventy-one billion, four hundred forty-nine million, one hundred ninety thousand, seventy-seven".