1371420371545 has 32 divisors (see below), whose sum is σ = 1997315239680. Its totient is φ = 883023482880.

The previous prime is 1371420371471. The next prime is 1371420371549. The reversal of 1371420371545 is 5451730241731.

It is not a de Polignac number, because 1371420371545 - 2⁹ = 1371420371033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1371420371549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9050016 + ... + 9200305.

It is an arithmetic number, because the mean of its divisors is an integer number (62416101240).

Almost surely, 2^{1371420371545} is an apocalyptic number.

It is an amenable number.

1371420371545 is a deficient number, since it is larger than the sum of its proper divisors (625894868135).

1371420371545 is a wasteful number, since it uses less digits than its factorization.

1371420371545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18250465.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 1371420371545 in words is "one trillion, three hundred seventy-one billion, four hundred twenty million, three hundred seventy-one thousand, five hundred forty-five".