1542223477372 has 24 divisors (see below), whose sum is σ = 2760303409920. Its totient is φ = 753612849840.

The previous prime is 1542223477367. The next prime is 1542223477391. The reversal of 1542223477372 is 2737743222451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5805922 + ... + 6065737.

It is an arithmetic number, because the mean of its divisors is an integer number (115012642080).

Almost surely, 2^{1542223477372} is an apocalyptic number.

It is an amenable number.

1542223477372 is a deficient number, since it is larger than the sum of its proper divisors (1218079932548).

1542223477372 is a wasteful number, since it uses less digits than its factorization.

1542223477372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11872401 (or 11872399 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 49.

The spelling of 1542223477372 in words is "one trillion, five hundred forty-two billion, two hundred twenty-three million, four hundred seventy-seven thousand, three hundred seventy-two".