30111155354144 has 48 divisors (see below), whose sum is σ = 59663763232416. Its totient is φ = 14958723763200.

The previous prime is 30111155354141. The next prime is 30111155354171. The reversal of 30111155354144 is 44145355111103.

It is a super-2 number, since 2×30111155354144² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30111155354098 and 30111155354107.

It is not an unprimeable number, because it can be changed into a prime (30111155354141) 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, 654617 + ... + 7787864.

It is an arithmetic number, because the mean of its divisors is an integer number (1242995067342).

Almost surely, 2^{30111155354144} is an apocalyptic number.

It is an amenable number.

30111155354144 is a deficient number, since it is larger than the sum of its proper divisors (29552607878272).

30111155354144 is a wasteful number, since it uses less digits than its factorization.

30111155354144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443209 (or 8443201 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 30111155354144 in words is "thirty trillion, one hundred eleven billion, one hundred fifty-five million, three hundred fifty-four thousand, one hundred forty-four".