1071554372403 has 8 divisors (see below), whose sum is σ = 1428745103568. Its totient is φ = 714366611424.

The previous prime is 1071554372389. The next prime is 1071554372429. The reversal of 1071554372403 is 3042734551701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1071554372403 - 2¹⁸ = 1071554110259 is a prime.

It is a super-2 number, since 2×1071554372403² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071554372453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314025 + ... + 1497237.

It is an arithmetic number, because the mean of its divisors is an integer number (178593137946).

Almost surely, 2^{1071554372403} is an apocalyptic number.

1071554372403 is a deficient number, since it is larger than the sum of its proper divisors (357190731165).

1071554372403 is a wasteful number, since it uses less digits than its factorization.

1071554372403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485093.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 1071554372403 in words is "one trillion, seventy-one billion, five hundred fifty-four million, three hundred seventy-two thousand, four hundred three".